How does energy usually flow in ecosystems? OA.
from consumers through the Sun to producers
OB. from the Sun through consumers to producers
OC. from producers through the Sun to consumers
OD. from the Sun through producers to consumers

How can you approximate the number of calories required to keep you in energy balance?

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.