One role of enzymes in the human body.

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.

What are levels of ecology and how can we remember them

Which enzyme is responsible for “unzipping" the dna by breaking the hydrogen bonds between the nucleotides?