d

4. The chemical processes that occur within a living organism to maintain life.
7. The body's response to injury or infection, which the Paleo diet aims to reduce.
11. Capable of being maintained at a certain rate or level without depleting resources.
14. Sweet substances often found in processed foods, avoided in the Paleo diet.
16. The state of being free from illness or injury.
17. Animal flesh that is eaten as food.
18. The condition of being physically fit and healthy.
20. An aquatic animal consumed as part of the Paleo diet.

1. The process by which different kinds of living organisms developed from earlier forms.
2. Edible plants or parts of plants.
3. Products made from milk, generally excluded in the Paleo diet.
5. Foods that have been altered from their natural state.
6. The sweet and fleshy product of a tree or other plant.
8. Early humans from whom we are descended.
9. Hard-shelled fruits of some plants, often rich in fats.
10. The kinds of food that a person habitually eats.
12. A diet based on the eating habits of our ancient ancestors.
13. A macronutrient essential for building muscle mass.
15. Edible seeds that are often excluded from the Paleo diet.
19. The small, hard part of a plant from which a new plant grows.