Annelids are considered closely related to mollusks. how are they different?

a) annelids have nephridia

b) annelids have coelom

c) annelids do not have a mantle

d) annelids do not have cerebral ganglia

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

a. to encourage apoptosis

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.