Explain why the heart is described as an organ and not as a tissue.

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 would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."