One group of chimpanzees slurps termites directly from a stick, another group picks them off the stick one by one. one group of chimpanzees breaks nuts with a stone hammer; another group does this with a wooden hammer. these group differences in food-gathering practices best illustrate

literally no idea maybe natural selection def not

Explanation:

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

one would be wind another would be water density