An example of a BIOTIC factor that can affect an ecosystem is: O Earthquake
O Drought
O Disease
O Volcanic eruption

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

If animal agriculture was eliminated, how much grain would become available for human consumption?