Someone please help asap.

B

Explanation:

All animals in the food chain have a job and keep each other balanced.  With out the top predator the species that are lower than the top predator will over populate and throw off the food chain.

Hope this helps :)

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v

the answer is "a.) well–developed vascular system."

explanation: