In water hydrogen bonding occurs between the hydrogen atom in one molecule and : a: an oxygen atom in the same molecule b: an oxygen atom in a different molecule c: a hydrogen atom in the same molecule d: a hydrogen atom in a different molecule

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

What causes the phospholipids to organize themselves the way they do

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.