Answer : True
Enrichment cultures are used to increase a small number of desired organisms
The answer is D, for when one tropic level is eaten by the tropic level above it, the tropic level is supporting the higher one. I. E. Rabbits are supported by the grass because rabbits eat the grass. Also, the grass population would be larger than rabbits, the rabbits larger than snakes, so on and so forth, so B is ruled out. B states that each population is larger than the one BEFORE it, but there is no way there would be more rabbits than grass. Also, there are both herbivores and carnivores in the food chain, so A and C are out. The best answer is D.
Answer:
marine west coast, humid continental, humid subtropical
Explanation:
this should be right.
The Correct answer would be e. Mutate; are selected; evolve
