Enzymes are important for what reactions in a living system? Enzymes are helpful but not needed for any reactions in a living system

Only the most critical reactions

Nearly all

Only a few reactions

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!