Energy is important for all living things. a squirrel's body changes chemical potential energy obtained by into heat and motion.

a. living high in a tree

b. eating nuts and acorns

c. running very fast

d. bouncing on a tree branch

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen

What household products contain algae?