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sattari [20]
3 years ago
13

The pelvis and femur combination in humans are used for leg movement to allow for walking. In whales this combination has become

a vestigial structure. Why is this the case?
Biology
1 answer:
777dan777 [17]3 years ago
5 0

Answer:

whales don't have legs

Explanation:

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Tell your teacher right away. Defiantly don’t try to pick it up or try calling 911
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What relationships exist among reasoning, evidence, and explanation?(1 point)
vivado [14]

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B

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Hope this helps, oh and did i forget to tell you you got this?

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A client is prescribed digitalis medication. which condition should the nurse closely monitor when caring for the client?
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Gas exchange involves the transport of two respiratory gases, oxygen and carbon dioxide. Match each statement into the appropria
ryzh [129]

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a. both oxygen and carbon dioxide

b. carbon dioxide only

c. carbon dioxide only

d. oxygen only

e. carbon dioxide only

f. oxygen only

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Explanation:

This question is describing the gaseous exchange of carbon dioxide and oxygen that occurs during cellular respiration. The gaseous exchange occurs via a structure called ALVEOLI OR AIR SAC.

According to this question, the following statements in the question will be matched with whether it applies to oxygen only, carbon dioxide only, or both oxygen and carbon dioxide:

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d. Oxygen from the lungs diffuse into the alveoli during inhalation.

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g. Oxygen is the necessary substance needed by cells in order to perform cellular respiration (aerobic).

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6 0
3 years ago
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