This pyramid should answer all of those.
Answer:
Friction
Explanation:
Because the cow is walking
Well organisms have to eat to gain energy. Eating is a chemical process. When an organism eats something it contains proteins, carbohydrates, etc. To get rid of these things or to use them I believe is called cellular respiration.
Answer:
organ cells
Explanation:
cells are the building of life
Answer:
b) adaptation
Explanation:
the organism is able to adapt to its environment and thrive