Which of the following examples represents the correct flow of energy through an ecosystem? cow ­> horse ­> human ­> bacteria b grass ­> rabbit­> hawk ­> fungus c cow ­> sun ­> human ­> fungus ­> bacteria d fungus ­> human ­> cow ­> grass

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

Produce proteins by following coded instructions that come from the nucleus of the cell.

Nitrogen-14 and nitrogen-15 are isotopes of the same element. how do these two isotopes differ? a. they have different numbers of nuclei. b. they have different numbers of protons. c. they have different numbers of neutrons. d. they have different numbers of electrons.