Homeostasis involves maintaining balance of several factors that make a cell healthy. The job of the cell membrane is to regulate the passage of materials into and out of the cell. In order for any materials to go in or out of the cell, they must cross through the cell's membrane.
Hope this helped
- Danielle xo
Answer: I cant say for sure how many species have to be extinct. But yes a species can become extinct.
Explanation:
I think 17 years is right but i’m not sure
