"Keystone species" is the one role among the following choices given in the question that the sea otter play in this case. The correct option among all the options that are given in the question is the third option or option "C". I hope that this is the answer that has actually come to your desired help.
Answer:
For the checkpoint one they are both physical change because your not using some chemicals so which make it a physical change.
Explanation:
The answer is True.
When they differentiate, they become a specific cells with a specific function ( eg : brain cells, blood cells, liver cells, etc)
They each have a specific function which is why they're called specialized cells.
Hope this help
Anabolism stores energy and Catabolism releases energy