the food must be broken down by use of enzymes,during the process of respiration.
<span>Replace the concentration descriptions with actual values.</span>
Evolution over time has allowed them to adjust to their surroundings. Birds can also survive on eating less/smaller things whereas reptiles usually have to eat more to survive. Also, birds eat a lot of plants while reptiles eat a lot of meat.
Answer:
what are the optionnnnnn???
