How would you compare the x and y chromosome in regard to size and number of genes?

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

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line