The following table shows the observations made by some students in a science class. Determine the levels of biological organization described by each student, 1-4.

Because of its structure the cell membrane is known as a phospholipid ? a.bilayer b.molecule c.fluid d.barrier

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.