Answer:
free molecules; plasma membrane
Explanation:
-Venom are complex mixtures of molecules called "toxins"
-Plasma membrane is the membrane found in cells that separates the interior of the cell from the outside environment
Answer:
:-) maintaining the pH of the reaction at 6.7
Explanation:
hope this helps
Answer:
first and third one
Explanation:
animals need the oxygen they make. and animals eat the plants. if an animal doesnt eat plants it eats somthing that does. sorry for the typos.
Answer:
Nothing
Explanation:
They have no common attributes
Answer:
Energy decreases as it moves up trophic levels because energy is lost as metabolic heat.
Explanation:
When the organisms from one trophic level are consumed by organisms from the next level. ... A food chain can usually sustain no more than six energy transfers before all the energy is used up.