Which members of an ecosystem are part of the energy flow? A. ONLY the living things in the ecosystem B. ONLY the nonliving things in the ecosystem C. Living and nonliving things in the ecosystem D. The energy flow is not dependent on any members of the ecosystem

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Which locations on the map are low-pressure areas? a b c d e