Explanation:
the person could have 22 pairs of chromosomes and one triplet of chromosomes resulting in them having 47 chromosomes altogether. This causes people to have down's syndrome
Saliva flows out of the salivary glands into your mouth is it diffusion osmosis or neither
Find a picture or video regarding optical illusions and post a link. Describe what is happening in the eye or brain that creates that illusion!
Optical illusion occurs when our brain and eyes miscommunication with each other.
Why Optical illusions occur?Optical illusions happen when our brain and eyes speak to each other in simple language but the interpretation gets mixed-up. For example, our eyes told the brain that something is moving but that's not what the eyes meant to say to the brain which leads to the creation of illusion.
So we can conclude that Optical illusion occurs when our brain and eyes miscommunication with each other.
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which of the following best explains why top predators can have up to 60 times as much of persistent organic pollutants as their prey and up to 600 times as much of the pollutants as producers ?
This is because persistent organic pollutants accumulate in the body fat of living organisms and increase in concentration as they move up the food chain.
What is Persistent organic pollutants?These are organic compounds that are stable and do not degrade easily. They are usually harmful and accumulate in the body fat of organisms.
They are also known to increase in concentration as they move up the food chain which is why predators have more of them.
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what is the dominant phase in hydra ?
A) medusa
B) polyp
polyp should be the answer
Two animals of different species would be least likely to
A) produce fertile offspring
B) have similar body structures
C) consume the same food
D) live successfully in the same
habitat
Answer:
A) produce fertile offspring
Explanation:
name the bacteria found in the root nodules of leguminuos plant
Answer:
Rhizobium is a genus of bacteria associated with the formation of root nodules on plants. These bacteria live in symbiosis with legumes.
Explanation:
how do forensic scientists recover writing from a burned document?
Why is an ecosystem with higher levels of biodiversity more stable than an ecosystem with lower levels of biodiversity?
O because species are more adaptable
O because they are better able to withstand stresses like disease or climate change
because changes affect every species the same way
because species are constantly replacing one another
An ecosystem with higher levels of biodiversity is more stable than another with lower levels because they are better able to withstand stresses like disease or climate change.
What is biodiversity?The term biodiversity refers to all of the variations (both genetic and phenotypic) in a given population.
Biodiversity is a fundamental subject to maintaining the equilibrium (homeostasis) of the whole ecosystem.
Higher biodiversity allows populations to face environmental changes such as diseases or climate change.
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Can anyone tell me the answer for these
Based on the chart of temperature and the amount of rainfall, it is observed that rainfall is highest in the tropical rainforest while the highest and lowest temperatures are found in desert and tundra respectively.
What are biomes?Biomes are large area of land whose characteristics are influenced by various abiotic factors such as temperature, amounts of precipitation, pH, light as well as biotic factors such as plants and animals as well as microorganisms.
The major biomes of the world include:
tropical rainforest coniferous forest temperate grassland deserts tundradeciduous forestsFrom the chart, the amount of rainfall is highest in the tropical rainforest while the highest and lowest temperatures are found in desert and tundra respectively.
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Residents of an older building have children with a higher incidence of developmental delays. Which of the following is a possible cause of the developmental issues?
Old lead pipes are still used in the building.
Asbestos was not removed from the building.
The heating system is releasing carbon monoxide.
Pesticides were used in the building's landscaping.
Answer:
A
Explanation:
I took the test :)
Primitive lead pipes still in use in the construction may be the root of the building's developmental issues. So, the correct option is A.
What are Lead pipes?Long lead pipes are recognised as the main source of lead in drinking water, lead service lines are the pipes that transport water from the underground water main to homes.
Remember that lead has been used in water pipes for thousands of years. Ancient civilizations picked lead for piping because it could withstand tiny leaks and was pliable enough to form into efficient water-delivery designs.
The development problems with the building may be caused by the outdated lead pipes that are still being used in the construction.
Thus, the correct option is A.
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how both genetic and environmental factors can affect paint color variation in california rabbits
Answer:
Coat color in rabbits is inherited as a series of multiple alleles.
Explanation:
This means that there can be more than just 2 alleles for a single gene. In the case of coat color in rabbits, there are four alleles, and each one is expressed with a different phenotype.
The genetic factors that can affect paint color variation in California rabbits are based on the several different genes that are inherited from their parents. It includes color base, color density, pattern, an extension of dark pigment, spotting, silvering, etc.
What are the genes that are responsible for color variations?The genes that are responsible for color variations are as follows:
Gene A controls the pattern of the coat.Gene B controls the base of coat color.Gene D controls the density of the coat color.Apart from these direct genes, several other genes are also responsible for causing variations in paint color in Rabit. The effect of environmental factors remains the same for every species regardless of competition, and other limited resources. These environmental factors govern the alteration gradually over a long period of time to stimulate some observable responses in the organisms.
Therefore, the genetic and environmental factors that can affect paint color variation in California rabbits are well described above.
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describe five different breath sounds that may be heard when you check a client's respiration
1. Rales. Small clicking, bubbling, or rattling sounds in the lungs. They are heard when a person breathes in (inhales). They are believed to occur when air opens closed air spaces. Rales can be further described as moist, dry, fine, or coarse.
2. Rhonchi. Sounds that resemble snoring. They occur when air is blocked or air flow becomes rough through the large airways.
3. Stridor. Wheeze-like sound heard when a person breathes. Usually it is due to a blockage of airflow in the windpipe (trachea) or in the back of the throat.
4. Wheezing. High-pitched sounds produced by narrowed airways. Wheezing and other abnormal sounds can sometimes be heard without a stethoscope.
5. crackles (a high-pitched breath sound)
DNA STRUCTURE
Pls help me fill in the blank
Answer:
Overall Shape: Double Helix
Groups of Molecules Called: nucleotides
4 Nitrogenous Bases: Adenine-Thymine / Guanine-cytosine
Chargaff's rules: A=T, C=G
Backbone: Phosphate and deoxyribose sugar
Bonds: Hydrogen Bonds between base pairs
Which of the following best supports the claim that organisms of different domains share a common ancestor?
(A) Photosynthesis occurs in chloroplasts, and the citric acid cycle occurs in mitochondria.
(B) Glycolysis occurs in both prokaryotic cells and eukaryotic cells.
(C) Introns are present in eukaryotic DNA but not in prokaryotic DNA.
(D) Errors in DNA synthesis provide some of the genetic variation in a population.
Why does DNA need to replicate in our cells
Here is a Answer to your question:
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
I am sorry if this was not helpful
Hope this was helpful
DNA also known as Deoxyribonucleic Acid is a double stranded macromolecule. The two strands of DNA are complementary to each other. For replication, the DNA double helix opens at one end, making the two strands free to which new strands begin to form and the process continues in a sequence for the whole length of the DNA.
Hope this helps!20POINTS!
Analyze the graph and identify some factors that may contribute to the rotifer population leveling off in the absence of water fleas. Explain your answer in 1–2 sentences.
Answer:
(Leveling off = it stays the same even though it had a increasing period) When looking at the end of the graph you can see that it came back to what it was, which means the rotifers are not increasing anymore. That's because of the carrying capacity (a species' average population size in a particular habitat), and the carrying capacity in this situation is the flask. Therefore the flask has limited space.
a. The term describes living things that are best suited to their environment.
b. Species that survive are the ones that make or meet changes.
c. Florida has a rich record.
d. Two examples of land animal fossils found in Florida are the ________ and the ______.
e. Some animals unable to adapt to the changing environment became ___________.
f. Living things _______________ over time to meet their changing environment.
g. This biologist, __________________, studied evolution in the 1800s.
h. The ________________ was a giant, armadillo-like animal with a spiked tail that once lived in Florida.
i. The Origin of Species is a book written in 1859 about ___________________.
j. Nature selects the fittest for ______________________because they have useful traits.
k. Changes may occur in animals due to changes in the sequence of base pairs in their DNA, and this is known as a __________________.
l. Oldfield mice show ____________________ in the color of their fur.
m. The survival of the light-colored oldfield mice on Florida's Gulf Coast is an example of the process called ________________________.
n. Evolution is a controversial theory that has survived much _________________.
2. Write a micro-theme using and explaining the following terms.
a. "Survival of the fittest"
b. Adaptation
c. Evolution
3. Use the list below to write the correct term for each definition below.
adaptation
extinct
gene
Darwin
fittest
mutation
evolution
fossils
natural selection
_________________________ a. A change in genes that causes a change in a particular trait
_________________________ b. Describes a species that no longer has any living representatives
_________________________ c. A trait that a species develops over generations which helps it to survive
_________________________ d. a unit of DNA that determines a specific trait in the organism
_________________________ e. The survival of organisms best fit for the environment
_________________________ f. Changes in living things over time
_________________________ g. Remains of organisms that lived in the past
_________________________ h. Best suited to survive in its environment
_________________________ i. The biologist who developed and offered evidence of the theory of Natural selection
4. Answer the following using complete sentences.
a. How does genetic variation create new species over time?
b. How does changing the proteins produced in a cell alter what an organism does?
c. In terms of evolution, why do animals that are preyed upon (eaten) likely to have a high number of offspring?
d. Why is it vital that a scientist recognize his or her own biases and that they be open to criticism?
5. We chose to spotlight Florida animals because The Ogburn School is located in Florida. Your next assignment is to conduct an internet search to discover information related to animal diversity. You may choose to research animals in the state you live in. If you live in Florida you may choose to research a Florida endangered species, or one from another state or country. Your research must include the following:
a. species of animal
b. location of animal (state or country)
c. the animal's status (extinct, endangered, threatened, etc.)
d. reason for status (why is animal extinct, endangered, threatened, etc.)
e. type of habitat needed for survival
f. conservation efforts on the animal's behalf
g. prospects for the future of this animal
Answer:
alveolus (alveoli, plural) The depressions or sockets in the tooth-bearing skeletal elements such as maxillae and dentaries into which the roots of the teeth are inserted. Especially well developed in mammals and crocodilians.
amniote A member of the taxonomic group Amniota, such as reptiles, mammals, and birds, characterized by possession of the amnion, a specialized embryonic membrane.
arboreal Descriptive term for an animal that primarily lives in trees.
astragalus (also talus) Bone that articulates with the tibia and fibula to form the ankle joint.
atlas The first or anteriormost vertebra of a tetrapod, the one that articulates with the skull.
auditory bulla (auditory bullae, plural) The bone that encloses the inner ear region of the mammalian skull and is found on the ventral surface of the posterior region of the skull. Typically fragile and thus rarely preserved in fossils; but inflated and composed of very solid bone in whales. For that reason, whale auditory bullae are commonly recovered as fossils. Alternatively called the tympanic bulla.
autochthonous In paleontology, used to describe a taxon or clade that evolved frim its common ancestor in its present geographic region.
axis (axes, plural) The second vertebra in a tetrapod, it follows the atlas.
YES NO (c 10. Can a mother with type B blood have a child with type A blood? Explain. In
What happens to sunlight photons?
Answer:
All of the infrared photons are absorbed and re-radiated by the glass pane.
Sunlight photons interact with the Earth's atmosphere, scattering, absorbing, and transmitting, influencing weather, photosynthesis, and regulating the planet's temperature.
When sunlight photons reach the Earth's atmosphere, several interactions occur. First, a fraction of photons is absorbed by atmospheric gases, which excite their molecules. Some photons are scattered in various directions due to Rayleigh or Mie scattering, making the sky appear blue and contributing to diffuse light. Next, photons that pass through the atmosphere may interact with clouds, dust, and aerosols, leading to further scattering and absorption.
Eventually, the remaining photons reach the Earth's surface and may be absorbed, reflected, or transmitted. The absorbed photons can warm the Earth, driving weather patterns and supporting photosynthesis in plants. Reflecting and transmitting photons play a crucial role in regulating Earth's temperature and energy balance.
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The complete question is:
What happens to sunlight photons when they reach the Earth's atmosphere?
Why are invasive species considered a threat to native wildlife?
Answer:
they can consume all the native prey and have few predators.
Explanation:
How are genetically engineered bacteria used in medicine?
They destroy viruses in the body.
They are used to make memory B cells.
They make products to treat diseases.
They are the only way to make vaccines.
Genetically engineered bacteria are important in medicine as they make products to treat diseases.
What are genetically engineered organisms?Genetically engineered organisms are organisms whose genes have been engineered from the original form to new forms which are beneficial to man.
Genetically engineered organisms are produced by the process of genetic engineering
Genetically engineered bacteria are used in:
food industry medicine agricultureIn medicine, genetically engineered bacteria are used products to treat diseases such as insulin.
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Can somebody help please
Explanation:
what role did the south africa women play against the violation of human rights the 1950s to 1960s
Fossil fuels store energy that is released when they are burned. What is the origin of the energy contained in fossil
fuels?
O the wind
O water
Oores
the Sun
Answer:
ores
Explanation:
what is anemia, why do people with sickle cell anemia have anemia?
Answer:
que es la anemia
Insuficiencia de glóbulos rojos saludables debido a la falta de hierro en el cuerpo.
por que las personas con anemia de celulas falciformes tienen anemia
La anemia de células falciformes es causada por una mutación en el gen que le dice a tu cuerpo que produzca el compuesto rico en hierro que hace que la sangre sea roja y permite que los glóbulos rojos transporten el oxígeno de los pulmones a todo el cuerpo
Explanation:
Answer:
sickle cells typically die in 10 to 20 days,l leaving a shortage of red blood cells
Explanation:
the lack of red blood cells can make a animal have anemia
Which material would most likely contribute to the formation of humus?
A.
basalt
B.
granite
C.
grass
D.
salt
Answer:
Encyclopedic entry. Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up.
Which of the following statements about the relationship between science and technology is NOT true? a. Science and technology are the same thing. b. Science is the study of the natural world to understand how it functions, while technology changes the natural world to meet human needs or solves problems. c. The work of scientists often makes new technologies possible. d. The development of new technologies often contributes to science. Please select the best answer from the choices provided A B C D
It would be A. Science and technology are the same thing.
The statement that is NOT true about the relationship between science and technology is A. Science and technology are the same things.
What are science and technology?Science refers to the systematic study of the structure and behavior of the physical and natural world. Science can also refer to the organized body of knowledge on a subject.
Science achieves this systematic study through:
ObservationsExperimentsEvidenceExplanations.The above scientific tools are collectively known as scientific inquiry.
On the other hand, technology is the application of gathered scientific knowledge to solve human problems or meet needs through the manipulation of the human environment.
However, science and technology continuously interact to develop each other.
Thus, it is NOT true that science and technology are the same things.
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During meiosis, crossing-over may occur. What is usually the result of crossing-over?
A- the development of identical offspring
B- variation within the species
C- overproduction of gametes
D- fertilization and development
Which cells reduce cell mediated immune response?
Answer:
Natural Killer Cells
Explanation:
Also known as NK cells
Answer:
Regulatory T cells (Tregs)
How do scientists test theories
Answer:
using data, preferably multiple types of data from multiple sources.
Explanation:
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how can you detect hardness of water collected from different sources