The curve on the left shows the height of a population of penguins. The curb on the right shows the population five years later. What has happened to this population? A. Polygenic selection
B. Directional selection
C. Disruptive selection
D. Stabilizing selection

You see a white marker with an orange circle and black lettering. what does this marker tell you

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent