What are the offspring phenotypes? (chicken genetics one)

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

Which would be the most useful source of evidence to support mcneill's contention?

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body