This process occurs when the cell uses energy to bring something in from outside the cell

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Tides that occur during the new and full moons

What are the pros and cons of quadrat sampling?