The major effect of genetic drift is:
A) The reduction in genetic variability
B) An increase in genetic variation to accommodate changes in abiotic conditions
C) no change in population size but an increase in favorable alleles
D) a reduction in population size and an increase in genetic variability

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.