Which describes a role of enzymes?

enzymes help the body break down larger complex molecules into smaller molecules, such as glucose, so that the body can use them as fuel.

Explanation:

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects