Please help which describes a production interaction?

A. two organisms occupy the same Niche.
B. an organism competes with another.
C. a predator kills and eats his prey.
D up Ray kills and eats his predator​

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

Which describes the habitat of a frog?

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament