Answer:
Enzymes in your saliva start breaking down the carbohydrates in food
Explanation:
It makes sense, your digestive system consists of your mouth, esophagus, stomach, pancreas, liver, gallbladder, small intestine, large intestine, and anus. As soon as you put food in your mouth you break down your food. Also I took the test, hope you make an good grade!!!
The statement 'enzymes in your saliva start breaking down the carbohydrates in food' is correct about the digestive system and proteins.
The digestive system is an organ system where organs work together to digest foods.Enzymes are specific proteins that carry out specific chemical reactions.Digestive enzymes such as amylase are secreted by the salivary glands in order to help with the digestion of foods.
In conclusion, the statement 'enzymes in your saliva start breaking down the carbohydrates in food' is correct about the digestive system and proteins.
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The graph shows the average number of rabbits and coyotes in an area over time. Which conclusion is best supported by these data?
A) The coyote population is influenced by the available number of rabbits.
B) The number of coyotes will be greater than the number of rabbits within a ten-year period.
C) The number of rabbits will decrease during the summer months.
D) The rabbit population obtains energy by consuming young plants.
Answer:A
Explanation:
It shows the coyote population rising when there are more rabbits, and decreasing when the rabbit population starts to decrease, because of a predator-pret relationship.
1.Analyze the similarities between each of the skull and front leg fossils.
Which of the following that might lead to the conclusion that these are all
related species.
The pointy bone on top of the muzzle of the horse
Gap between front and rear teeth
The triangular shape of the head
All of the above
The similarities between each of the skull and front leg fossils that might lead to the conclusion that they are all related species is D. All of the above.
How can we know that these species are related?The pointy bone on top of the muzzle of the horse, called the rostral process, is present in all of the fossils. This suggests that all of the animals had a similar diet and used their teeth in the same way.
The gap between the front and rear teeth is also present in all of the fossils. This suggests that all of the animals were herbivores and used their front teeth to graze on grass and other plants.
The triangular shape of the head is also present in all of the fossils. This suggests that all of the animals had a similar skull structure and were built for speed.
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The efferent pathway of the autonomic nervous system consists of ________?
1) a single neuron which does not synapse
2) multiple neurons which synapse without a ganglion
3) multiple neurons which synapse at a ganglion
4) a single neuron which passed through a ganglion
The efferent pathway of the autonomic nervous system consists of preganglionic neurons and postganglionic neurons which synapse at a ganglion. The correct option is C.
Thus, the efferent pathway of the autonomic nervous system consists of neurons that synapse at an autonomic ganglion. The autonomic nervous system is a peripheral nervous system regulating the involuntary functions of the body consisting of preganglionic neurons and postganglionic neurons.
The preganglionic neuron is the first neuron that originates in the central nervous system that synapses with the second neuron, which is called a postganglionic neuron at an autonomic ganglion in an autonomic nervous system. The postganglionic neuron then extends its axon to the effector organs, which are smooth muscle, cardiac muscle, or gland.
Thus, the ideal selection is option C.
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what might happen if all carnivores disappeared
Answer:
the population of herbivores, will increase
Explanation:
If all the carnivores are removed from the earth, the population of herbivores, will increase. Large population of herbivores will overgraze. As a result, all plants will disappear from the earth surface and ultimately the earth may become a desert.
Answer:
Below
Explanation:
There will be a dramatic increase in the population of primary consumers (herbivores), because there would be no predators that could hunt them. And we must keep in mind that removing atleast one species from an ecosystem can cause an imbalance and the ripple effect will bring nothing good.
In a nutshell, there would be too many herbivores on the planet.
The process of water absorption through the root
1. Active absorption and passive absorption are the two mechanisms through which roots absorb water.
2. Two aspects of the xylem's structural suitability for this function are:
Tracheary Elements and Uninterrupted Water Pathway.What is the function of the xylem in plants?The xylem tissue is specialized for the transport of water and dissolved minerals from the roots to the rest of the plant.
Two aspects of its structural suitability for this function are:
Tracheary Elements: The xylem is composed of tracheary elements, which include tracheids and vessel elements and thickening of the cell walls provides strength and support, enabling the xylem to withstand the pressure generated during water transport.
Uninterrupted Water Pathway: The xylem vessels have no end walls or cell contents, creating a continuous pathway for water movement which allows for efficient and uninterrupted water flow, reducing resistance and facilitating the bulk movement of water through the plant.
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5. Suppose that every year, one half of the population has two offspring per
person, and the other half has none. If all members of the population die after a
year, what is the resulting growth rate? Explain your answer.
The resulting growth rate of the population in this scenario would be a net growth rate of one offspring per person per year.
This is because, on average, half of the population will have two offspring per year while the other half will have none. To break it down further, let's assume that there are 100 people in the population. In one year, 50 of them will have two offspring each, resulting in a total of 100 new offspring. The other 50 people will not have any offspring. Therefore, the net growth rate is 100 new offspring divided by 100 people, which equals one new offspring per person. It is important to note that this scenario assumes a perfect balance between the two groups of the population. In reality, there are many factors that can influence reproductive rates, including age, health, access to resources, and cultural norms. Additionally, this scenario does not take into account any deaths or migration, which could impact the overall growth rate of the population. Overall, this scenario demonstrates the concept of replacement-level fertility, where each person is replaced by two offspring. However, it is important to consider the many complex factors that can influence population growth rates in real-world situations.
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Which statement about the biotechnology of cloning is correct?
Question 1 options:
It has resulted in the creation of two genetically different sheep, which has been universally praised by everyone.
It involves the genetic modification of plants that make plants more resistant to insects.
It involves the selective breeding of organisms that are crossed to make unique organisms.
It allows the possibility of organ formation, yet it has many ethical and moral issues concerning how these organs will be designed.
The correct statement about the biotechnology of cloning is:
"It allows the possibility of organ formation, yet it has many ethical and moral issues concerning how these organs will be designed."
Cloning is the process of creating an identical copy of an organism, either naturally or artificially. In biotechnology, cloning has the potential to be used for various purposes, including the creation of genetically identical organisms, the production of transgenic organisms, and the possibility of generating organs for transplantation.
However, the use of cloning for organ formation raises ethical and moral concerns, such as the source of the cells used for the cloning, the welfare of the animals involved, and the potential implications for the human genetic code. Therefore, the use of cloning for organ formation is a topic of ongoing debate and study.
Which of the following represents a way that animals in a zoo are influenced by their environment? a. increased natural instincts b. decreased aggression c. unnatural behavior d. increased appetite
Answer:
The correct answer is c. unnatural behavior.
Explanation:
Animals in a zoo are influenced by their environment, and one of the ways this influence is manifested is through unnatural behavior. In a zoo setting, animals are often kept in confined spaces that may not mimic their natural habitats adequately. This can lead to behavioral changes and adaptations that are not typical of their wild counterparts. Animals may exhibit abnormal behaviors such as pacing, stereotypic movements, or self-injurious behaviors due to stress, frustration, or lack of environmental enrichment.
While it is possible for animals in a zoo to display increased natural instincts, decreased aggression, or increased appetite in certain situations, these outcomes are not universally applicable or exclusive to zoo environments. They can vary depending on the species, individual, and specific circumstances. However, unnatural behavior is a commonly observed consequence of animals being in an environment that does not fully meet their natural behavioral and environmental needs.
This picture shows a food web for a forest ecosystem. Evaluate each of the choices and select ALL of those that include ONLY secondary consumers.
Responses
A rabbits, foxes, spiders rabbits, foxes, spiders
B spiders, predaceous insects, foxes spiders, predaceous insects, foxes
C herbivorous insects, mice, squirrels herbivorous insects, mice, squirrels
D hawks, owls, foxeshawks, owls, foxes
E insectivorous birds, hawks, spiders
The only choices from a food web for a forest ecosystem that include only secondary consumers are B and D.
What are the food webs like?A. rabbits, foxes, spiders
Rabbits are primary consumers because they eat plants. Foxes are secondary consumers because they eat rabbits. Spiders are predators, but they can be either primary or secondary consumers depending on what they eat. If they eat insects, they are primary consumers. If they eat other spiders, they are secondary consumers.
B. spiders, predaceous insects, foxes
Spiders and predaceous insects are both predators, and they both eat other insects. Insects are primary consumers, so spiders and predaceous insects are secondary consumers. Foxes are also secondary consumers because they eat rabbits, which are primary consumers.
C. herbivorous insects, mice, squirrels
Herbivorous insects are primary consumers because they eat plants. Mice and squirrels are primary consumers because they eat nuts and seeds.
D. hawks, owls, foxes
Hawks, owls, and foxes are all secondary consumers because they eat primary consumers, such as rabbits and mice.
E. insectivorous birds, hawks, spiders
Insectivorous birds are primary consumers because they eat insects. Hawks are secondary consumers because they eat rabbits, which are primary consumers. Spiders can be either primary or secondary consumers, depending on what they eat. If they eat insects, they are primary consumers. If they eat other spiders, they are secondary consumers.
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Which statement BEST describes the differences illustrated in the diagram above:
Question 19 options:
Figure A represents punctuated equilibrium because rapid change happens and then change does not occur for a period of time
Figure A represents punctuated equilibrium because there is an accumulation of small genetic changes over long periods of time.
Figure B represents gradualism because rapid change happens and then change does not occur for a period of time
Both Figure A & B represent gradualism because there is an accumulation of small genetic changes over long periods of time.
Figure A = Punctuated equilibrium with rapid changes followed by stability. Figure B = Gradualism with continuous, slow changes.
The best explanation that portrays the distinctions outlined in the chart above is that Figure An addresses interspersed harmony since there is a collection of little hereditary changes over significant stretches of time, trailed by quick change, and afterward change doesn't happen for a while.
Then again, Figure B addresses gradualism since there is a consistent, slow gathering of little hereditary changes over a significant stretch of time.
Accentuated balance is a hypothesis that recommends that transformative changes happen in short eruptions of quick change, trailed by significant stretches of balance or dependability. During these times of strength, next to zero hereditary change happens.
Gradualism, then again, proposes that development occurs at a gradual speed over a significant stretch of time.
In Figure A, we can see that there are times of soundness where there is minimal hereditary change, trailed by an unexpected explosion of quick change.
This example is reliable with the hypothesis of accentuated harmony. In Figure B, there is a constant, continuous change over a significant stretch of time, which is steady with the hypothesis of gradualism.
In synopsis, the primary contrast showed in the graph is the pace of developmental change after some time. Figure An addresses interspersed harmony, while Figure B addresses gradualism.
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From the list below select all statements associated with the parasympathetic nervous system
disregard the checkmarks
The autonomic nervous system (ANS), which controls the body's unconscious processes, has three divisions, one of which is the parasympathetic nervous system (ParaNS).
The statements associated with the Parasympathetic Nervous System (ParaNS) are:
Promotes glycogen synthesisDecreases heart rateIncreases diuresisDecreases pupil diameterDecreases sweat gland activityActivity is impacted by anticholinergicsThe sympathetic nervous system (SNS), along with the parasympathetic nervous system and the enteric nervous system, is one of the three parts of the autonomic nervous system.
The statement "Shunts blood to active organs" is associated with the Sympathetic Nervous System (SNS).
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how long does it take a 180g sample of radioactive gold (half-life=2.69) to decay to 1/8 its original mass?
It would take approximately 6.27 years for a 180g sample of radioactive gold (with a half-life of 2.69 years) to decay to 1/8 its original mass.
The decay of radioactive gold can be modeled by the equation:
N(t) = N₀ * (1/2)^(t / t₁/₂)
where N(t) is the remaining mass at time t, N₀ is the initial mass, t₁/₂ is the half-life, and t is the elapsed time.
In this case, we want to find the time it takes for a 180g sample of radioactive gold to decay to 1/8 its original mass. This means that the remaining mass (N(t)) is 180g / 8 = 22.5g. We can substitute these values into the equation and solve for t:
22.5g = 180g * (1/2)^(t / 2.69)
Dividing both sides by 180g:
(22.5g / 180g) = (1/2)^(t / 2.69)
Taking the natural logarithm of both sides:
ln(22.5/180) = (t / 2.69) * ln(1/2)
Simplifying:
t = (2.69 / ln(1/2)) * ln(22.5/180)
t ≈ 6.27 years
Therefore, it would take approximately 6.27 years for a 180g sample of radioactive gold (with a half-life of 2.69 years) to decay to 1/8 its original mass.
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Which event was a sign to scientists that DDT was a harmful pollutant?
O Trout were regularly dying in mass quantities each year.
O Marine invertebrate populations were experiencing significant declines.
O Levels of ultraviolet radiation at the south pole were increasing.
O Bald eagle populations declined to only 500 pairs in the 1960s.
The event that was a sign to scientists that DDT was a harmful pollutant is Bald eagle populations declined to only 500 pairs in the 1960s.
The correct option is D
What is DDT?DDT (dichloro-diphenyl-trichloroethane) is an insecticide that was widely used in the mid-20th century to control pests, including mosquitoes.
However, it was discovered that DDT had detrimental effects on the environment and wildlife. The decline of bald eagle populations, which are sensitive to DDT, was a significant indication to scientists of the harmful impact of DDT.
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Answer: bald eagle populations declined to only 500 pairs in the 1960s.
Explanation: i took the test and got it correct!
What type of sentence is turn left after u cross the bridge
Answer: OUTRO
Explanation:
Please show a picture of the labelled diagram
The fluid mosaic model of membrane structure was first proposed in 1972 by Singer and
Nicolson. The model describes in detail how the components of a membrane are organised.
(a) Some of the components of the cell surface membrane are:
phospholipid molecules
protein molecules
cholesterol molecules.
(i) In the box below, draw a labelled diagram of a section through a cell surface
membrane to show how the above components are organised within the membrane.
The diagram should include other named components of the membrane.
Label the inner and outer surfaces of the membrane.
Write a 1000 words Essay on The role of kinases in cell signalling pathways?
Cell signalling is a complex and highly regulated process that allows cells to communicate and coordinate their activities. It involves the transmission of signals from one cell to another
What are the kinases?Receptor tyrosine kinases (RTKs) are a well-known class of kinases that are involved in cell signaling. RTKs are transmembrane proteins with an intracellular kinase domain and an extracellular ligand-binding domain that span the cell membrane.
RTKs go through dimerization and autophosphorylation when certain ligands connect to them, activating their kinase activity. When downstream signaling molecules hook on phosphorylated tyrosine residues on RTKs, a series of events that result in different cellular responses are set off.
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Which of these choices is required by organic agriculture but not by
sustainable agriculture?
One of the choices that is required by organic agriculture but not by
sustainable agriculture is option B which is enough space for animals to behave naturally.
Organic agriculture explained.
Organic agriculture is a system of of farming and rearing of animals that require using natural inputs and not employing the use of an artificial inputs .
Some of the key approaches or aim of organic agriculture is to ensure the welfare of animals, in which animals can move and enjoy natural space, its also is to prevent the use of synthetic inputs to reduce harm or toxic effect to humans, it also entails maintain the ecosystem by reducing the effect of green house , improving soil health and also ensure ecological balance.
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PLEASE HELP BIOLOGY QUESTION I already did it but I need someone to check as I haven’t learned it in a while. If I got it wrong please explain what I did. I feel like I missed a step.
The transcription and translation of the given DNA strand are as follows:
Transcription: UGC AUG UUU GUG AAU UAG UAU GAUTranslation: Cys-Met-Phe-Val-Asn-Stop-Tyr-AspWhat is the process of translation of the genetic code?The genetic code specifies how an mRNA sequence is to be translated into the 20-letter code of amino acids, which are the building blocks of proteins.
The translation of the genetic code occurs in three steps;
replication - this involves the replication of DNAtranscription - this is the process of synthesis of mRNA from DNAtranslation - this is the process of the synthesis of peptides from mRNA and this involves three steps as well; initiation, elongation, and termination.Learn more about the genetic code at: https://brainly.com/question/16914106
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If the population of crab becomes extinct in this food web which population would most likely decrease
2. What changed in skull anatomy that occurred from the dawn horse to the
modern horse?
Increase in the size of the skull
O Decrease in the size of the skull
Nothing
3. What change occurred in leg anatomy that occurred from the dawn horse
to the modern horse?
O Size of leg
O Toe structure - started as 4 toe bones, now is one toe bone
OBoth of these
From the dawn horse to the modern horse, the following changes occurred:
2. Increase in the size of the skull.
3. Size of the leg.
Toe structure - started as four toe bones, now is one toe bone.
The correct answer is Both of these.
What evolutionary changes occurred in the dawn horse to give the modern-day horse?The evolutionary changes that occurred in the dawn horse to give the modern-day horse gradually over millions of years were driven by natural selection and adaptations to changing environments.
These changes include:
Increase in Body SizeLimb AdaptationsDental AdaptationsLengthening of LimbsStrengthening of Ligaments and MusclesDevelopment of a Single Toed FootLearn more about modern-day horse at: https://brainly.com/question/688848
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Will the trend toward an increased incidence of tusklessness in a population with heavy poaching lead to increased African elephant population sizes in the future?
No, the trend toward increased tusklessness in African elephants due to heavy poaching is not likely to lead to increased population sizes in the future.
While tuskless elephants may have a survival advantage in areas with high levels of poaching, this advantage is likely to be temporary. Over the long term, tusklessness may lead to reduced genetic diversity and reproductive success, as tusks play a role in mate selection and competition among males.
Additionally, tuskless elephants may be less able to defend themselves and their young against predators and may have a reduced ability to forage for food. Thus, while tusklessness may confer some immediate benefits in areas with high levels of poaching, it is not a viable long-term solution for elephant populations.
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A sea is a common resource between two countries. Conservation of marine resources is an issue that these countries are facing. Which type of approach should the countries adopt to manage their common resource?
A.
adaptive management
B.
ecosystem-based management
C.
community-based management
D.
integrated management
Answer:the answer is b
Explanation:
What is a correlation efficient of -0.48 indicate about a set of data
Answer:
It indicates that there is a weak negative correlation between the variables.
Explanation:
Because the correlation coefficient is negative it means that it is a negative association. Since the number is 0.48 it is a weak correlation. Combine these two things together and you get that -0.48 indicates a weak negative correlation.
Briefly explain THREE constitutional limitations to the right to freedom expression
Answer:
Three limitations to the right to freedom of expression are now no longer covered by the Constitution: propaganda for war, incitement to violence, and incitement to violence as a means to achieve an objective.
Explanation:
In India, what are the constraints on freedom of expression that exist?
As reported by the Supreme Court of India in the Union of India, the right to freedom of speech and expression has no geographical limitations, and it comes with it the right for a citizen to acquire information and to exchange ideas with others now not merely within the country but also overseas.
In section sixteen, we find the following boundaries that govern our freedom of expression. In addition to the proper in subsection (1), it does not now extend to propaganda for war; incitement to violence; or advocacy of hatred. Incitement to harm has to do with the fact that it is primarily motivated by racial, ethnic, gender or religious prejudice, and that constitutes incitement to harm.
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Although there are many kinds of thick soups in the world, they can all be summed up into what two basic categories?
O A. cream-based and purend
OB.
chunky and smooth
C. spicy and sweet
D. savory and bitter
Answer:the answer is b
Explanation:
The three hormones that influence testosterone production are GRH, FSH, and LH. true or false
Answer:
True
Explanation:
The leydig cells produce testosterone
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Which of the following is evidence for the endosymbiosis theory?
Answer:
Mitochondria and chloroplast contain DNA similar to bacterial DNA
Explanation:
Both mitochondria and chloroplast have their own DNA, which by then was known to contain the hereditary material of organisms. Mitochondrial DNA has a simple circular structure, which is structurally similar to bacteria DNA and is more or less the same size.
Your answer is correct!
three ways in which geographical location of people through hampers media provide them with information timeously.
The three ways are;
Limited InfrastructureTime Zone DifferencesLanguage and Cultural BarrierWhat are the three ways?There may not be adequate infrastructure, such as dependable internet connectivity, television networks, or print media distribution routes, in some distant or impoverished places.
Time zone differences can also be significantly influenced by geography. Receiving current news can be delayed if media outlets or news sources are based predominantly in another time zone.
Media content may need to be translated or adjusted for different audiences in regions with a variety of languages or cultural backgrounds.
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Question 5 of 25
Why might an ecosystem remain stable over a long period of time?
A. Dynamic equilibrium allows for small changes to take place
around average conditions.
B. The ecosystem's abiotic factors stay the same, while the type of
climax community changes.
C. Dynamic equilibrium allows for abiotic factors to change
continuously, while succession maintains species.
OD. The ecosystem has no predators, so the prey populations only
increase.
In a stable ecosystem, dynamic equilibrium enables small fluctuations and adjustments to occur while keeping the overall system in balance. So, option A is the right choice.
An ecosystem may remain stable over a long period of time due to dynamic equilibrium. Dynamic equilibrium refers to a state in which the ecosystem experiences small fluctuations and adjustments while maintaining average conditions. This balance allows the ecosystem to withstand disturbances and environmental changes without undergoing drastic shifts.
In dynamic equilibrium, the interactions between biotic and abiotic components are regulated, ensuring a relatively stable state. Small changes occur within the ecosystem, but they are compensated for by opposing changes, maintaining overall stability. This equilibrium enables the ecosystem to adapt to gradual variations and disturbances while keeping the essential functions and processes intact.
By maintaining stability, the ecosystem can support the survival and persistence of its constituent species. It provides a predictable environment for organisms, allowing them to thrive and maintain populations within suitable ranges. This stability is crucial for the long-term sustainability and resilience of the ecosystem.
The right answer is A. Dynamic equilibrium allows for small changes to take place around average conditions.
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If ______________ area is damaged, then this can lead to ____________ aphasia, which is characterized by difficulty speaking.
Broca's; fluent
Broca's; non-fluent
Wernicke's; non-fluent
Wernicke's; fluent
If Broca's area is damaged, then this can lead to non-fluent aphasia, which is characterized by difficulty speaking, option B is correct.
Broca's area is a region in the frontal lobe of the brain that plays a critical role in speech production. When this area is damaged, a person may struggle to form words and sentences, leading to non-fluent aphasia. Non-fluent aphasia is also known as Broca's aphasia, expressive aphasia, or motor aphasia.
Individuals with Broca's aphasia may understand language well but have difficulty expressing themselves through speech or writing. They may speak in short, choppy phrases or use a limited vocabulary. They may also struggle with grammatical structure and word order. In some cases, they may experience difficulty with reading and writing as well, option B is correct.
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The correct question is:
If ______________ area is damaged, then this can lead to ____________ aphasia, which is characterized by difficulty speaking.
A) Broca's; fluent
B) Broca's; non-fluent
C) Wernicke's; non-fluent
D) Wernicke's; fluent