Match each term to the correct definition.
asymmetry
an animal without a backbone
bilateral symmetry
an animal with a backbone
radial symmetry
a body plan made of two equal halves that
mirror each other

vertebrate
a body plan that lacks symmetry
invertebrate
a body plan that is organized around a
central point

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.