What do you think the most important organism in an ecosystem are? A. Producers B. Consumers C. Decomposers

Which of the following is an example of a non-falsifiable hypothesis? a. there is a teacup orbiting the milky way galaxy. b. there is no life on mars. c. the human species started in africa. d. humans cannot live without the amino acid methionine

The energy needs of a human population are not affected by

An easy way to calculate the amount of energy available at each level is to what?