What are the key characteristics that you would look for in an organism before you place it in a certain kingdom?

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.

The importance of the mind as a part of the body is an example of:

Cells control gene expression at which steps