Think about a desert ecosystem. List 3 biotic and abiotic interaction that occur within the ecosystem.

Abiotic factors are non-living factors in an organism's environment. Biotic factors are living things in the environment. Biotic factors in the desert like plants and animals have specific adaptations that allow them to move through the sand, keep cool, and conserve water

Explanation:

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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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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