Answer: look at the picture
Explanation: Hope this help :D
The salmon will not starve as its prey increased.
The smelt is not the predator of the alewife.
The answer is D.
Energy
efficiency describes the ability to obtain a given result or amount of output
while using less energy input. energy conservation describes the practice of
reducing wasteful or unnecessary energy use.
Energy
efficiency represents the ratio between the useful output and input of an
energy.
<span>
Energy
conservation represents a process which is used to reduce the quantity of
energy that is used.</span>
Answer:
b) to deliver nutrients and other essential materials to cells
