Across
- 2. Ecosystem of trees
- 3. The study of species in their natural environment
- 6. All communities living and interacting with each other within a given area
- 8. The basic building block of life
- 10. Area of land where farm animals graze
- 11. Animals that eat plants and other animals
- 13. The variety of life on Earth and the relationship between organisms
- 14. Animal that eats only plants
Down
- 1. Water ecosystem
- 2. Many food chains that are related
- 4. A group of organisms that share an environment
- 5. Characteristics that make each individual unique
- 6. The set of conditions that a group of organisms live
- 7. Animals that eat only animals
- 9. Dry ecosystem
- 12. A group of organisms that can reproduce