How can you tell if a couple is married on a pedigree

Microorganisms aren’t all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.