Answer:
natural selection
Explanation:
this is to help the existence of all the squirrels species
Answer:
The correct option is B. Electrogenic pumps creates a voltage difference across the membrane.
Explanation:
Electrogenic pumps are used to travel molecules in and out of a cell by establishing a concentration gradient. Hence, the statement that best describes the property of electrogenic pumps is B.
Other options, like option A is correct but it does not describe the general property of the electrogenic pump.Option C is incorrect because not a large variety of solutes can pass through the membrane.
Human interactions... hills can moves n roll due to earth moving, so therefore that's biotic and Tall trees are living, so again Biotic...