Why are viruses not classified as living organisms?

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

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.

Cells destroy body cells infected by a virus or bacteria.