<span>D.) increased number of small crabs because fishing nets catch mostly large crabs
This situation is caused indirectly.</span>
Answer:
A. movement of molecules across a semipermeable membrane against a concentration gradient with a protein
The lateral hypothalamus signals an animal to start eating, whereas the <span>ventromedial </span>hypothalamus signals the animal to stop eating. So the correct option is the first one.
Salt concentration is the factor among the following factors given in the question that does not vary between a fast flowing river and a pond that receives no water input. The correct option among all the options that are given in the question is the second option. I hope the answer comes to your help.
The heat from hotter object goes to the cooler object. when they reach the same temperature the heat flow will stop.