Originally, the earth probably had this type of environment:

Because water is polor, it is

In the food pyramid, the greatest biomass appears at the level of: A) birds and mammals B) insects and zooplankton C) phytoplankton and bacteria D) small fish and other aquatic species

How does an enzyme influence a chemical reaction?

The San Andreas fault formed when the Pacific Plate captured part of the Monterey plate. Juan de Fuca plate. Farallon plate. North American plate.

Imessage games anyone?

Which resources are sometimes unpredictable in terms of energy production? Check all that apply. Coal Wood Gasoline Natural Gas Wind turbines

During what time period does the balloon drift in a clockwise direction

Energy moves along a food chain when A. animals drink water from a stream. B. animals breathe air. C. plants use the Sun's energy to make food.

What organelle has vesicles migrate to the cell membrane?

Does anybody have the answers to the whole test?