Answer the following question: You are presented with the quiz "What is is the average number of individuals per unit of area or volume?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "population density is the average number of individuals per unit of area or volume" and "another measure of growth is population density". So, what's the best answer to the question?

Pick your answer from:
(a). solid, liquid, gas.
(b). Earth orbiting the Sun.
(c). competing for resources.
(d). measure of growth.
(e). more abundant.
(f). it keeps an organism warm.
(g). fur and fat.
(h). competition.
Answer:
(d).