Answer:
Control of the cell cycle is necessary for different reasons. When the cell cycle are not regulated, cells could constantly undergo cell division without any form of control which will lead to cancer.
Internal regulation of the cell cycle is necessary to alert the passage of one phase to the next at a set given time. This helps in the overall metabolism of the body.
The difference is primary happens naturally and the secondary responds to an disturbance.
From another person or from animals
I believe the answer is A
Hope you give me brainliest if it’s correct
An embryonic plant covered by a hard outer shell!
