An energy pyramid shows that about 90 percent of the energy represented in each trophic level is a. passed on to the level above it. b. used by decomposers. c. lost to the environment as heat. d. recycled by the ecosystem.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.