The great hornbill and the toucan both eat the same fruit, insects, and nuts. they both live in the rainforest. their large bills function to get food and also as warning coloration. which of the following is a limiting factor to the toucan population?

a.) overlapping breeding seasons
b.) bill coloration
c.) genetic variability
d.) competition

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

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.

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates