Which of these would have the least effect on natural selection in a subspecies of giraffes
that is geographically isolated from other subspecies of giraffes?

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic