If two red-eyed heterozygous flies (Rr) mate together, what are the possible genotypes of their offspring? A) RR and Rr
B) Rr only
C) RR and rr
D) RR, Rr, and rr

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point