Complete the statement to describe the sodium-potassium pump.

The sodium-potassium pump moves
ions into the cell and
ions out of the cell.

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

When looking at research about instructional strategies, make sure the research is a. from peer-reviewed studies. b. approved by state and federal government organizations. c. online and easily accessible. d. about the same topic you're interested in.

Darwin studied two different types of tortoises on the galapagos islands. sort the characteristics based on which tortoise they describe.