6. the following atoms are all variations of the element carbon: 12c, 13c, and 14c due to differing
numbers of neutrons. what are these variations called?
a. isotopes
b. polynomials
c. polymers
d. isomers

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

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material