Answer: I think number 2 b
Explanation:
A biologist whose interest lies primarily in the study of plants or animals can be called a naturalist, although these days it's more likely she'll be called a natural historian, a botanist, or a zoologist.
Answer:
Synaptic transmission consists of three steps: (1) intracellular vesicles loaded with neurotransmitters are targeted to the presynaptic membrane; (2) an action potential triggers exocytosis to release the neurotransmitters to the synaptic cleft between two neurons
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Catabolism/destructive metabolism. Both terms are used to describe the process of breaking down complex molecules for its stored energy.