Answer:
C . A cell that is surrounded by a rigid cell wall is the correct answer .
Answer: to live
Explanation:
Your heart cannot beat if your brain and the nervous system does not work together to send a signal and tell it to beat. It’s the same way with the other organs in your body.
Species have to adapt to environmental change, but this is something that doesn’t happen overnight! Weather is hotter but nights are cooler an animal living in these temperatures would probably be insects animals with thick coats of fur would not be able to live in those conditions unless their bodies change to it.
The amount of hyaline cartilage in the embryonic skeleton is much higher than in a child. This is because the embryonic skeleton will still go calcification as the embryo ages to fetus and eventually to being a child to adulthood.