Why do some species employ both mitosis and meiosis, whereas other species use only mitosis?

Answers

Answer 1

Answer: They need both mitosis and meiosis if they produce animal gametes. Mitosis is the division of a cell into two identical cells. Meiosis, on the other hand, is the production of sex cells or gametes (sperm and egg). Both processes are needed by animals to reproduce.

Answer 2

Answer:

The use of mitosis and meiosis varies among species due to their reproductive strategies and life cycles.

Meiosis, which produces genetically diverse gametes, benefits species by enhancing genetic variation and adaptability. Mitosis, on the other hand, generates genetically identical cells and is commonly observed in asexual reproduction for efficient cloning.

Complex life cycles often involve both processes at different stages. Environmental conditions and stability also influence the reliance on either mechanism. In stable environments, mitosis alone may suffice, while meiosis and sexual reproduction aid survival in challenging environments.

Learn more about meiosis and mitosis, here:

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Which structure of a protein is the folding of the protein chain?Answer options:
a: primary
b: secondary
c: teriarty
d: quaternary

Answers

I believe answer is D: Quaternary. Quaternary is defined for the 3d folding of polypeptide.

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Identify four types of pyroclastic material and the characteristics of each type of material?

Answers

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Which would least likely be seen on an information pamphlet for red tide? People tend to stay out of the water in the area of a red tide.

People are warned to avoid eating shrimp and lobster.

People are making an effort to protect coastal areas from pollution.

People with respiratory conditions may be affected.

Answers

Answer:

The correct answer would be People are warned to avoid eating shrimp and lobster.

Red tide refers to the natural phenomenon usually caused by algal bloom.

It can decrease the oxygen levels of the water and releases toxins in the water.

People may experience sneezing, coughing, teary eyes during the period of red tide.

It is advised that people should not visit the beach and they should not go swimming during a red tide, especially those with respiratory conditions.

Seafood like clams, oysters, mussels et cetera is generally safe to eat.

Thus, warning about eating shrimp and lobster is least likely to be seen on an information pamphlet for red tide.

The correct answer is that "People are warned to avoid eating shrimp and lobster." Most likely, the information that is shown in the pamphlet for red tide is that people will be warned to avoid eating shrimps and lobster. They will be more cautious what seafood to eat because we really don't know that only lobster and shrimps are the only ones that are affected with red tide.

Why is burning coal a major source of pollution?

Answers

It releases carbon dioxide into the air

Answer: DON'T COPY/PASTE

Coal is a chemically complex fuel. Whenever it is burned, gases are given off and particles of ash, called "fly ash," are released. The sulfur in coal combines with oxygen to form sulfur dioxide, which can be a major source of air pollution if emitted in large enough quantities.

http://www.coaleducation.org/lessons/twe/envi.pdf

What kind of cell usually has a flagella?

Answers

Both prokaryotic and eukaryotic cells can have flagella but they are very different from each other. Flagella are used to help the cell move around.

Some scientists predict that if global warming continues over the next few centuries, melting of the polar caps will raise the level of the oceans, causing some peninsulas to become islands. How might this change eventually affect the species that live on these peninsulas

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