Identify iron by its properties

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.

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

Me the formula cacl2 represents the compound