Name three ideas about geologic change

catastrophism

gradualism

uniformitarinism

Explanation:

There were several theories associated with evolution. In the theory, evolution was defined as the biological change process that has decedents originate from different ancestors.

Uniformitarinism is the prevailing theory of evolution. It focuses on the formation of the rocks and the earth as we know it today

Gradualism focuses on the gradual change over a long time.

Catastrophism focuses on the catastrophic formation of matter from a mass of matter.

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.