Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere.

a. True

b. False

How is the orientation of earths magnetism recorded in rocks on the ocean floor?

The amount of energy in foods is measured in?

What mechanism could be used to transport more glucose into the liver cell?

The spheres that only earth has is what

What is meant by energy input and energy output

The question below refers to the selection "taste-the final frontier." hydroponic plants are grown - a. on mars. b. without air. c. in water. d. in soil.

The movement of hot and cold air between land and sea creates what? a. Sea breeze b. Solar energy c. Trade winds d. Coriolis effect

How does the continental divide affect the climate

Fred went to the doctor because his body was not producing semen. Which part of Fred's body was most likely functioning incorrectly to cause this problem.

What do metabolism, respiration, and digestion have in common? They break larger molecules into smaller ones. They build larger molecules. They are each single chemical reactions. They each involve multiple chemical reactions.