Sam’s teacher is trying to model the day/night cycle on earth. one student holds a large yellow ball to represent the sun. another student holds a smaller brown ball to represent earth. how should the balls be moved to model the day/night cycle on earth?

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 image below shows a weather service map. which details best describe this map? check all that apply

Yeast cells reproduce quickly by budding. this is a form of reproduction so all the yeast cells a) sexual; vary b) asexual; vary c) asexual; are identical d) sexual; differ from the parents submit hint structures and functions of cells cellular reproduction