A small fish eats plant material. Later that day, a heron dives into the water and eats the small fish.

Which type of organism does the small fish represent in this scenario?

parasite
predator
prey
producer

When water freezes, it . contracts expands

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.

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?