What is the benefit of having a variety of pollinating birds and insects, and how could this service be harmed by changes in their population?

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

Someone me with this: a mineral' is determined by its actomic structure.

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is