The answer is: A - truffles, morels, yeast
Organisms compete for the resources they need to survive- air, water, food, and space. In areas where these are sufficient, organisms live in comfortable co-existence, and in areas where resources are abundant, the ecosystem boasts high species richness.
The Equator is halfway in between
I hope this counts - cell wall! helps keep most materials out but allows specific materials to pass through. animal cells do not have a cell wall
Development is like if you go blind you will most likely develop a high sense of hearing
growth is you grow and get taller
so basically development you have to try and growth occurs mostly naturally
