Explain how the process of natural selection can account for the increase in frequency of the antifreeze protein gene in the
icefish population

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

How energy move through ecosystem ?

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.