PLEASE HELP
2. Using the classification tree shown, how would you classify an autotrophic diatom? Explain your reasoning.
Answers
Answer:
An autotrophic protist is a type of single-celled organism that can create its own food. The best-known group is the algae. Read this lesson to learn more about autotrophic protists and see some examples!
What Are Autotrophic Protists?
To answer this question, let's break it down into two parts. First, we have the term autotrophic. What does this mean? Well, an autotroph is an organism that can make its own energy, or food, typically by converting sunlight into usable components. The most common way this is done in nature is through photosynthesis. Organisms that cannot make their own energy, called heterotrophs, have to acquire energy by consuming other things.
Now we know what autotrophs are, but what are protists? A protist is a eukaryotic, microscopic organism. The term eukaryotic means the cells are organized into specific structures. A protist may be single-celled or multi-celled. Protists usually require an aquatic environment to thrive, though this may be salt or fresh water.
Characteristics and Examples of Autotrophic Protists
By knowing what each part of the name means, we already know a lot about autotrophic protists. They make their own food through the process of photosynthesis, and they are very small, eukaryotic organisms that usually live in some type of water. What else do we need to know? The largest group of autotrophic protists is collectively called algae. You have probably heard of algae before, even if you didn't know that they were classified as autotrophic protists! We can break the algae down into more specialized groups based on the shape of their cells and the type of photosynthetic pigments they use: the most common examples are green algae, red algae, brown algae, and golden algae.
Let's take a look at each of these. First, we have green algae. This type uses the pigments chlorophyll a and chlorophyll b to aid in the process of photosynthesis, resulting in the organism having a green tint in color. Green algae may be unicellular, multicellular, or live in colonies, and species use both asexual and sexual reproduction techniques.
The green algae, Micrasterias, as seen under a microscope.
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Next, we have red algae. Unlike green algae, which comes in a variety of cellular forms, most red algae are multicellular. Like the name suggests, red algae lack certain types of chlorophyll and rely on red light wavelengths to create energy. As a result, they can live in deeper waters than the green algae (red light penetrates deeper into water than other wavelengths). Some red algae reproduce asexually by releasing spores, while others may utilize sexual reproduction.
Red algae, as seen under a microscope.
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Brown algae are different from the previous two types - they are all multicellular and can be larger in size, even visible to the naked eye. Brown algae rely on the pigment fucoxanthin in photosynthesis, and this pigment gives them their brown color. (Isn't it convenient how algae are often classified by their color?)
Related Questions
Put each of these animals in one of these categories.
⇒ Lacks Colored Blood
⇒has a soft, unsegmented body
⇒is a vertebrate
⇒lacks antennae
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Living cells are classed as either prokaryotic or eukaryotic. Which of the following characteristic(s) identify eukaryotic cells? Select all that apply.
Answers
Prokaryotes are organisms as Bacteria or Animals.
Although Eukaryotes are the organisms that make their own food.
PLZZZZZZZZZZZZZZZZZZZZZZZ HELP ME THIS DUE TODAY PUT IT IN YOUR OWN WORDSSSSSSSSSSSSSSSSSS
1. Where does the body get glucose molecules?
2. Where does the body get amino acids?
3. Where does the body get oxygen?
4. What do you think could happen if the human body doesn’t take in one or all of these molecules? Why do you think this?
Answers
Answer:
1.This energy comes from the food we eat. Our bodies digest the food we eat by mixing it with fluids (acids and enzymes) in the stomach. When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose.
2.Humans can produce 10 of the 20 amino acids. The others must be supplied in the food. Failure to obtain enough of even 1 of the 10 essential amino acids, those that we cannot make, results in degradation of the body's proteins—muscle and so forth—to obtain the one amino acid that is needed.
3.The oxygen enters the bloodstream from the alveoli, tiny sacs in the lungs where gas exchange takes place.
4.Generally speaking, we need to consume around 0.65g of protein per kg of body weight each day. However, this depends on physical activity and our general health.People who are found to have low protein in their body (hypoproteinaemia) are either not taking enough in through their diet, or are unable to absorb it. Malabsorption of food is often found in patients with gut problems, and nutritional deficiencies are often seen in chronic bowel disorders.
Explanation:
i hope this helps you
what happens in sexual reproduction?
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Science!!!
This is due in 20 min!
I have compared a cell to an amusement park for the assignment what part of an amusement park is similar to a mitochondria (breaks down food to make energy for cell)
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you could do a boat ride! look up a picture of the cell n like make it into a boat ride. they could also be the little trains that travel around the park. hope this helped!
Answer:
The plasma membrane is like a gate and is a phospholid bilayer that surrounds the cell. The gate is much like the plasma membrane in that it selects who can enter an amusement park with a ticket. This is like the entrance to a park. The nucleus is like the information booth that contains all of the blueprints for making necessary points. At an amusement park, the information booth, much like the nucleus of a cell, provides all information and maps for where to go and what to find. The lysosome is like a recycling bin that digests excess or worn out organelles in cells. They contain digestive enzymes. In an amusement park, without trash cans, excess food and waste would have no where to be thrown away. By recycling waste, it is put through a process much like the digestive enzymes. The ribosomes are like food stands, that make proteins according to the instructions given by the DNA. Food stands in an amusement park provide nutrients and refreshments for the guests. This is much like the process of ribosomes. The rough endoplasmic reticulum are like buses. It is a series of high folded membranes that provide transport system between the nucleus and cytoplasm. In an amusement park, transportation is needed to provide guests with fast access to areas of the park. Buses provide the quickest transportation for guests.
sorry if i did not do all the parts but hope this helps
Plasma is mostly made of _____.
water
waste
salt
nutrients
Answers
Answer:
water. -^-
Explanation:
Answer:
water
Explanation:
Blood Plasma. Like other fluids in the body, plasma is composed primarily of water: In fact, it is about 92 percent water. Dissolved or suspended within this water is a mixture of substances, most of which are proteins.
What is the distance traveled by an object that moved with an average speed of 6 meters per second for 8 second
Science
Which 0.75
1.3
14
48
Answers
The first step says 6 per second so u will multiply by 8 . So it’s 48 .
Answer:
48 m
Explanation:
True or false: The pressure of gas cannot vary directly with temperature
Answers
Answer:
i believe its true
Answer:
true
Explanation:
The pressure of a given amount of gas is directly proportional to its absolute temperature, provided that the volume does not change (Amontons's law). The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure
Explain when each of the following process occur in the rock cycle- Compaction and Cementation, Melting; Cooling and hardening, Heat, pressure, weathering and Erosion.
Answers
Answer:
The rock cycle shows how the earth's rocks are changed again and again. The rocks can be changed at times to another type of rock. The rock cycle can begin anywhere in the cycle. Here’s how it works…
• Igneous rocks start as magma. Technically, ALL rocks start as magma.
• The magma (molten rock under the surface) and lava (molten rock on the surface) hardens into igneous rock.
• The igneous rock then breaks apart over time through the process of weathering.
• These bits of broken rock are washed away by rains and deposited in a river.
• These pieces of igneous rocks are cemented together with other bits of rock and form a sedimentary rock called conglomerate.
• Over time sedimentary rocks can be buried by earthquakes or other geologic processes.
• Being buried deep under the surface in areas of high temperatures and pressures or coming in contact with magma can cause these sedimentary rocks to change to metamorphic rocks.
• Metamorphic, sedimentary or igneous rocks can be remelted to form magma, beginning at the beginning
again.
Hope this helps!
Explanation:
he diagram below represents a cross between two pea plants. Rr X Rr. In pea plants, the allele for round seeds (R) is dominant to the allele for oval reeds (r). In a cross between two plants above what percentage of the offspring will have round seeds?
a. 100%
b. 75%
c. 50%
d. 25%
Answers
Can someone please help me???
Sample Problem
A) Calculate the surface area. surface area of cube = number of faces × area of one face surface area of cube = 6(2 cm × 2 cm) surface area of cube = 24 cm 2
B) Calculate the volume. volume of cube = side × side × side volume of cube = 2 cm × 2 cm × 2 cm volume of cube = 8 cm 3
C) Calculate the surface area-to-volume ratio. A ratio is a comparison between numbers. It can be written by placing a colon between the numbers being compared.surface area : volume = 24 cm 2: 8 cm 3surface area : volume = 3 cm 2: 1 cm 3
Calculate: What is the surface area-to-volume ratio of a cube whose sides are 3 cm long?
A Calculate the surface area.
B Calculate the volume.
C Calculate the surface area-to-volume ratio
Answers
Answer:
It should be B
Explanation:
Correct Answer is B
Step by step solution
Make a claim about what plant cells, bacteria cells, and human skin cells have in common. Support your claim with evidence from the photos. This is from the HMH Florida Science Life Science 7th Grade Book
Answers
Answer:
well plant cells and bacteria and human skin cells one is on in human and plant is flowers and food and bacteria is in your body so can help you or noy
What determines whether a metamorphic rock is foliated or non-foliated?
Answers
Answer:
Foliated metamorphic rocks such as gneiss, phyllite, schist, and slate have a layered or banded appearance that is produced by exposure to heat and directed pressure. Non-foliated metamorphic rocks such as hornfels, marble, quartzite, and novaculite do not have a layered or banded appearance.
Explanation:
Answer: Foliated rocks have layers you can see, non foliated rocks don't have layers.
Explanation:
Can someone please explain to me how particles in a solid can vibrate back and forth? I'll give brainliest!!! Big Time... This is a physical science question, but I am just putting it as a biology question because physical science is not an option...
Answers
The particles are held together too tightly to allow too much movement but the particles do vibrate in their positions. With an increase in temperature, the particles gain kinetic energy and vibrate faster and more strongly.
PLZZZZZZZZZZZZZZZZZZZZZZZ HELP ME THIS DUE TODAY PUT IT IN YOUR OWN WORDSSSSSSSSSSSSSSSSSS
1. Where does the body get glucose molecules?
2. Where does the body get amino acids?
3. Where does the body get oxygen?
4. What do you think could happen if the human body doesn’t take in one or all of these molecules? Why do you think this?
Answers
Answer:
1. Glucose molecules come from the food we eat. we digest the food, then it mixes with acid/enzymes in the stomach. then the food breaks down and becomes glucose (blood sugar).
2. the best place to get amino acids is through protein-rich foods. when you eat protein, it gets broken down into amino acids, which are used for building muscle and "regulating immune function"
3. enters through the alveoli. it exchanges with older air in the lungs.
4. A. glucose- cause low blood sugar, causing problems in your nervous system
B- amino acids-decreased immunity, fertility issues, slowed growth (in children), digestion problems, and depression.
C- oxygen- basically suffocation, which leads to death
Explanation:
Hope this helps!
What the difference between the one with the red dot and the one with the solid red. Explain the whole thing in general actually. If you can. THX
Answers
Answer:
A serum containing anti-A antibodies is mixed with some of the blood. ... For instance, if an individual's blood sample is agglutinated by the anti-A antibody, but not the anti-B antibody, it means that the A antigen is present but not the B antigen. Therefore, the blood type is A.
Explanation:
i dont under stand this can someone plz help?
Answers
MARK BRAINLIEST 15 POINTS
Answers
Answer:
it will help the US air force to understand what damage the birds do to the airplane.
limitations:
a lot of chicken lives will be lost.
a lot of damage will be caused to the airplane.
Answer:
by reading in usa people think that they are smart
because by air chickens biduea at airoplane in controlked test
What are the pros and cons of GMO's
Answers
Answer: A pro '' Easier to ship and resistance to pest.'' A con '' Environmental risk and only rich countries can afford it.''
Explanation:
Advantages of GMO foods include added nutrients, fewer pesticides, and cheaper prices and disadvantages of GMO foods can be allergic reactions or increased antibiotic resistance.
What do you mean by genetically modified organisms?Genetically modified (GM) foods are foods derived from organisms whose genetic material (DNA) has been modified in a way that does not occur naturally, e.g. through the introduction of a gene from a different organism.
Most of the GMO crops grown today were developed to help farmers prevent crop and food loss and control weeds. The three most common traits found in GMO crops are: Resistance to certain damaging insects.
Potential health risks to humans include the possibility of exposure to new allergens in genetically modified foods, as well as the transfer of antibiotic-resistant genes to gut flora.
Learn more about genetically modified organisms:
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1.
Cows get energy to move from the grass they eat. What is the energy transformation starting with the grass?
Mechanical to radiant and chemical energy
Mechanical to thermal and chemical energy
Chemical to mechanical and thermal energy
Chemical to thermal and radiant energy
Answers
Answer:
Mechanical to radiant and chemical
Answer:
Chemical to mechanical and thermal energy
Explanation:
which one of this will you call a rain shadow?
A) The Land between the ocean and the mountains
B) The mountain range
C) The narrow are where the mountains meet the drylands
D) the drylands
Answers
Which of the following is true?
1. prokaryotic cells are more complex than eukaryotic cells
2. all cells have a cell membrane and a cell wall
3. mitochondria convert glucose and oxygen into ATP energy for the cell
4. prokaryotic cells do not have DNA
PLEASE ANSWER :)
Answers
Answer:
3
Explanation:
It's the only one thats True
HELP EASY 5TH GRADER WORK
I am having difficulties finding a cancer cell model that shows organelles such as the nucleus or mitochondria. If someone can send a link or attach a picture, it would be appreciated.
Answers
Answer:
Had to add extra words
Consumers get energy from cellular respiration
true or false
Answers
Answer:
False
Explanation:
Consumers are organisms who must consume other organisms in order to get their energy, hence their names, consumers.
Answer:
True
Explanation:
sorry if I am wrong
god bless
have a good day
Help mehhhhh plssssss T^T
Answers
Answer:
yes
Explanation:
Answer:
Offspring Fly:
Genotypes:
EE: 1:4
Ee: 2:4
ee: 1:4
Phenotypes:
Red Eyes: 75%
White Eyes: 25%
In all:
EE | Ee
Ee | ee
I hope this can help! :)
Explanation:
IS anyone big brained and smart to help me with this? (30 points) (thats all my points btw
THis is science.
Answers
Answer:
5. The main function of the smooth ER is the synthesis of lipids, steroids, and carbohydrates. It is also involved in the detoxification of drugs and toxins. The rough ER is mainly involved in protein synthesis. It is lined with ribosomes. The rough ER and the ribosomes on it work to make and ship proteins to other parts of the cell.
6. The nucleus can only be found within eukaryotic cells.
7. Plant cells are green because of chlorophyll. Chlorophyll is used in photosynthesis and it does not absorb the green wavelengths of white light, rather it reflects it, giving plants their green color.
8. The vacuole stores materials like water, nutrients, and waste for the cell. In plant cells, vacuoles are large and mainly store water. They are so large they even provide some structure for the cell. This type of vacuole is called the central vacuole. Vacuoles in animal cells are smaller and there are typically more than one.
9. The purpose of a cell wall is for added structure and protection of plant cells.
10. A chloroplast is an organelle only found in plant cells. It is where photosynthesis takes place. Essentially, it makes food for the plant.
What is another name for an animal that is only a primary consumer?
will give brainliest!!!!
Answers
Answer:
herbivores
Explanation:
Animals that eat only plants are called herbivores (or primary consumers). Animals that eat other animals are called carnivores. Carnivores that eat herbivores are called secondary consumers, and carnivores that eat other carnivores are called tertiary consumers.
Herbivores. Animals that eat only plants are called herbivores (or primary consumers). Animals that eat other animals are called carnivores.
What are Primary consumer?Carnivores that eat herbivores are called secondary consumers, and carnivores that eat other carnivores are called tertiary consumers.
An alligator (Alligator mississippiensis) snoozes on the bank of a slow-moving water channel on a sawgrass prairie in the Florida Everglades. In the shallows, a great egret (Ardea alba) is pursuing fish. An aster leaf is being chewed by a grasshopper (Brachystola magna).
Every ecosystem has living things that work together to distribute energy in predictable ways. A trophic pyramid, as it is known among scientists, can depict these interconnections.
Therefore, Herbivores. Animals that eat only plants are called herbivores (or primary consumers). Animals that eat other animals are called carnivores.
To learn more about herbivores, refer to the link:
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True or false Ribosomes are made in a special region of the nucleus called the nucleolus
Answers
Answer:
True
Explanation:
Answer:
true
Explanation:
Describe the contributions to the modern classification made by Carolus
Linnaeus.
Answers
Where are particles gained or lost to form ions? X or Y