The answer is (D), because none of the other answers make sense
The Circulatory Systems Job Is To Transport Materials Throughout The Body. It Consists Of The HEART, BLOOD And BLOOD VESSELS.
Answer:the last choice
Explanation:as it exactly fit for the question as per reaction
Because many animals eat plants to survive, so if you cut off the animals food source you will kill them because they have nothing to eat, which leads to a chain reaction. If bunnies eat grass and foxes eat bunnies the everything goes extinct, because the grass dies and the bunny doesnt have anything to eat so it dies, and then the fox was supposed to eat that bunny but now its dead so now the fox will die too