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fredd [130]
3 years ago
10

Why are snakes’ scales and birds’ feathers regarded as homologous structures?

Biology
1 answer:
aev [14]3 years ago
6 0

Answer:

The feathers/scales are genetically modified and inherited from their previous ancestors which the feathers/scales drastically become different colors throughout the evolution of the bird/snake.

Explanation:

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zimovet [89]

Answer:

Option 4 - Calcium

Explanation:

The <em>divalent cation </em>called <em>calcium</em> is needed to provide additional support to the bone matrix.

Calcium is considered one of the most <em>important components</em> in bone development. It helps in the formation as well as maintenance of bone. During the modeling and remodeling process of bones, calcium facilitates the formation of <em>semi-hard new tissues</em> which leads to the formation of new bone which is very hard.

Due to this reason, calcium is needed to create extra bone matrix support.

7 0
3 years ago
Which of the following statements is false? The inflammatory response can occur on the surface of the body and internally. Phago
Dafna11 [192]

Which of the following statements is false? The inflammatory response can occur on the surface of the body and internally. Phagocytes are responsible for much of the healing that occurs with inflammation. Platelets release a growth factor that stimulates endothelial cells to divide, and the wound heals. Pus is produced during an inflammatory response that is inappropriately strong. Mast cells release propagandist, which are partly responsible for the pain of inflammation.

It's B

7 0
4 years ago
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Answer:

The mitochondria is the powerhouse of the cell

7 0
3 years ago
One of the main reasons why mammals may have been able to evolve so quickly during the present era is due to the extinction of t
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False, I'd say. Mammals usually adapt based on environment. Now, I know predators are "apart" of the environment, but I don't think that'd be it. I'd bet more money on saying mammals evolve based on environment adaptation. Sorry if I didn't answer your question or if I didn't get my point across well.

4 0
3 years ago
How do eukaryotes solve the challenge of having to copy a lot more DNA than prokaryotes during cell division
lord [1]
The DNA is condensed before replication in the form of chromosomes and then the chromosomes are divided.
3 0
4 years ago
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