What percent of energy is transferred from the sun to the level indicated?
Select one:
a. 50 percent
b. 100 percent
c. 90 percent
d. 10 percent
I believe the answer is "D". Please correct me.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria