What problem did ecologists identify as a result of
studying graphs like this one?

hello there,

igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

tissue

explanation:

it is actually formed by geoup of cells which is tissue

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a