Variations are beneficial for the survival of the species. Populations of organisms fill well-defined places, or niches, in the ecosystem, using their ability to reproduce.However, if some variations were to be present in a few individuals in these populations, there would be some chance for them to survive.
Answer:
True
Explanation:
Tbh i dont remember sorry :(
1. Supplying oxygen to cell and tissue
2. Providing nutrients to cells
3. Protecting your body from infections
I'd say that it is C. by burning food molecules and releasing their energy as heat
Cells that are mainly (alive) and that have more then 1 cell
PROKARYOTES ARE SINGLE CELLED ORGANISMS
