Which are examples of short-term environmental change? check all that apply.
tsunamis
el niño
large asteroid and comet impacts
volcanic eruptions
global warming

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

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.