Explain why mutation and natural selection make development of new flu vaccines necessary every year

Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

The equation shows cellular respiration. during cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and atp. what happens to the energy in the bonds in glucose? the energy is transferred to oxygen. the energy is transferred to carbon dioxide. the energy is transferred to water. the energy is transferred to atp.