The greenhouse effect select one: a. has made the earth the warm and cozy long before humans developed b. is unique to the planet earth c. never really varies in strength d. is a recent development resulting from the burning fossil fuels e. is mysterious and not understood

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

What makes a dominant allele different from a recessive allele