/
which of the following is true about natural selection?
natural selection is the only cause of changes in a species.
natural selection does not cause a species to change.
natural selection usually causes a species to change gradually.
natural selection usually causes a species to change suddenly.

Where can a dna be found in a prokaryotic cell

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase

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.