a. A discussion about the synapse should begin with a definition and a comparison of the two categories. b. The activity, structures, and chemicals of both the neural axon and receptor should be included. c. Application paragraph

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

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silty loam

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1. is geographic distribution

2 is increasing complexity

3 is transitional forms