Consider the food chain of grass → grasshopper → mouse → snake hawk. about how much of the chemical energy fixed by photosynthesis of the grass (100 percent) is available to the hawk? .
a) 0.01%
b) 0.1%
c) 1% .
d) 1090

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.

bc blah

explanation:

bc blah