Across
- 4. a living part of an ecosystem
- 7. a place where an organisms usually lives
- 8. an organism that gets energy by breaking down the remains of dead organism's or animals
- 10. all of the populations of different species that live and interact in an area
- 12. web feeding relationships among organisms in an ecosystem made of food chains
- 13. a non-living part of an ecosystem
- 15. an organism that is eaten by a predator
- 17. an organism that can make its own food by using energy from the sun
- 19. a role the population plays in the ecosystem such as how it gets food and interacts with each other
- 20. an organism that eats only palnt and animal material
- 21. pyramid shows the direction that energy flows through an ecosystem and each level on the pyramid is called a tropic level
- 22. a group of individuals of the same species that live in the same place at the same time
- 23. a community of organisms and their environment
Down
- 1. an organism that eats other organism's to get energy
- 2. an organism that eat's another
- 3. factor anything that can limit the size of a population
- 5. an organism that eats only plants
- 6. chain the path of energy transfer from producers to consumers
- 9. the study of how organisms interact with one another and their internment
- 11. any close relationship between different species
- 14. an organism that eats only animal material
- 16. organisms that are closely related that can mate and produce fertile offspring's
- 18. large geographic areas with similar climates and ecosystems
- 20. a complete living thing
