What conditions make for a violent volcanic eruption? A. Magma with low gas content
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B. Magma with low viscosity
C. Magma that can flow eduily
D. Magma with high silica content

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:

i didn't have the answer choices , but i tried my best.

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.