If an organism produces many offspring, but none of them reach maturity, do you think the organism has high or low fitness? explain your answer

Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement

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.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur