Consider the model of the food chain. imagine there is a herbicide poison spill and all the grass is killed. how will this influence the food chain model? a. the grasshoppers will die out. b. all of the consumers will decrease. c. the tertiary consumers will increase. d. the grasshoppers will find some other food source.

How does natural selection change thephenotypes within a population over time?

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.