Answer:
C
Explanation:
Firstly, an action potential travels down to an axon and reaches the presynaptic membrane. After that synaptic vesicles move to and bind with the presynaptic membrane. Than, neurotransmitters are released into the synaptic cleft. In the next step, receptors on the postsynaptic membrane bind the neurotransmitters. In the last step, binding neurotransmitters cause excitation or inhibition.
Positive: You get to see different animals, see all kinds of habitats, learn new facts about all the animals and see them maybe in action!
Negative: They might be sleeping, In a cage or fence so they can't get out, restricted.
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