From which germ layer is the skin derived?

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.