A disadvantage of reproduction is that offspring generally have more competition for resources, such as food and living space

What is the best-known carbohydrate?

Classify the structures as homologous or analogous, depending on their structure and function.

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.