What is allele frequency? A. the addition of a variation to a population B. the occurrence of an allele within a population C. how often offspring are produced within a population D. how often individuals come into or leave a population​

What substance acts to prevent sudden ph changes in bodily fluids?

How are viruses different from eukaryotic cells?

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases