Which could cause a change to the carrying
capacity of a species in an
ecosystem?
A. consistent rain fall
B. more predators
C. seasons changing
D. continuous rotation of resources

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

In a leaf, dermal tissue a) stores food b) stores carbon dioxide c) releases oxygen into the air d) transports water from the roots

How many chromosomes are in a human gamete?