The answer is; D
A limiting factor is a resource in the environment that significantly affects the growth, distribution or abundance of an organism or population within an ecosystem. When this factor is controlled it can result in increased or decreased growth.
In this water, the level of the water table in the desert limits the growth of the cacti plants.
Answer:
esophagus is the answer because it transfers the ingested food
B is the answer because it the ER helps with protein transport.
