Due to a drought, an area is lacking the fertile soil to make plants
grow. What is this an example of?
A. population size
B. limiting factor
C. competition
D. population density

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Modern whales developed their traits through natural selection what occurs during the process of natural selection

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material