What organelles can only be found in animal cells?

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

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

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16