Which are required for natural selection to occur?
a- inheritance, isolation, adaption
b- variation, overpopulation, adaptation
c- isolation, overpopulation, speciation
d- variation, inheritance, speciation

Why can't you grow plants with adhesion water?

What molecule does hemoglobin decay into over time

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***