Which of the following increase genetic variation during meiosis or sexual reproduction?

A) all are correct
B) crossing over
C) independent assortment
D) random fertilization
E) only crossing over and random fertilization are correct

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species