Horse breeders often mate horses that have special traits that they will pass on to offspring. this is an example of
survival of the fittest
evolution
artificial selection
natural selection

The instructions for making proteins come originally from

What maintain homeostasis when a persons internal body temperature is 97.5°f

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.