Answer:
The esophagus and the stomach.
Explanation:
There are many parts to the digestive system, but these are the most common answers.
Answer:
B
Explanation:
process of elimination. The other ones were wrong tbh. Also, in natural selection genetic variation/mutations are a HUGE FACTOR according to darwins 3 principles of evolution.
I am pretty sure that it is the second one
Explanation:
I believe it is the second one because cetaceans are mammals. I really hope that this is right I apologize if it is not.
Answer:
<em><u>It will expand as water moves into it.</u></em>
Explanation: