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Nady [450]
3 years ago
12

What defines a species' niche? i. abiotic factors ii. biotic factors iii. food web?

Biology
1 answer:
Scorpion4ik [409]3 years ago
4 0
The answer is i Abiotic factors
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Some fossil snakes have remnants of hip bones and legs even though these animals had no legs. These remnant structures are best
Nina [5.8K]

Some fossil snakes have remnants of hip bones and legs even though these animals had no legs. These remnant structures are best described as:<u> vestigial structures</u>.

Vestigial structures are organic structures that do not appear to fulfill any important biological function in the organism that possesses them.

  • These structures are preserved as an inheritance of the evolutionary process, because at some point in the history of evolution an ancestor of the current species had that structure.

  • These types of structures, which can be bones, organs, structures in the skin or any other part of the body, no longer offer any meaningful function for the body.

  • The presence of vestigial structures in animals is considered proof that evolution and natural selection exists.

Therefore, we can conclude that some fossil snakes have remnants of hip bones and legs even though these animals had no legs. These remnant structures are best described as vestigial structures.

Learn more here: brainly.com/question/3217893

4 0
3 years ago
The nearest organ to which the heart supplies oxygenated blood is​
Damm [24]

Answer:

Myocardium

The Heart itself. The nearest organ is the blood supplied to the Myocardium (Heart muscle) by the Heart pumping oxygenated blood through the Coronary Arteries.

3 0
3 years ago
18. Decreasing the concentration of CO2 will have what effect on the rate
kykrilka [37]

Answer:it will decrease

Explanation:

Because the increase temperature will favor the wasteful process

7 0
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What property of water best helps aquatic life survive in lakes during the winter?
miss Akunina [59]

Water is less dense as a solid than as a liquid the answer is D


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Study the image of Earth’s interior.
MrRa [10]
Well there are many but the surface of the earth is the material violin one outer core (if that makes sense
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