Which of these provides support and protection for many insects? A) exoskeleton b) spinal cord C) muscle D) skeleton

What organelles release energy from sugar?

After Gerry mows his lawn, he often puts the grass clippings into his flower garden. How will this affect his garden? A. It will decrease the amount of carbon in the soil and decrease the amount of carbon dioxide released by decomposers. B.

Sort the given landscapes in the order in which they would cool off after sunset (cooling off fastest to slowest). grass land rocky mountains dense forest swamp land ocean desert

What's the process in body cells that directly requires oxygen and identify the structure in red blood that transports oxygen to body cells?

The diagram shows the fossils found in different layers of a rock. A diagram labeled Fossil Layers is shown.

Is the cell wall or cell membrane composed of two layers of lipids and proteins?

What kind of cells is an amoeba?

What happens when you get scared "Half to death twice"?

Atoms of different elements combine to form

How does mRNA differ from DNA? a. mRNA contains ribose sugars; DNA contains deoxyribose sugars. b. mRNA contains the base uracil; DNA contains the base thymine. c. mRNA is single-stranded; DNA is double-stranded. d. All of the above are correct.