Ecosystem
Across
- 3. development that meets the needs of people today without limiting the ability of future generations to meet their needs.
- 5. chain a simple model that shows how matter and energy move from one organism to another in an ecosystem.
- 6. web a combination of food chains which connects all the living things within an ecosystem.
- 7. cycle processes that move nutrients back and forth between the biotic and abiotic environment.
- 8. a community of organisms that interact in an environment.
- 11. the total dry mass of all selected organisms.
- 13. careful management and use of resources to assure continuing availability in the longer run
- 14. an animal that kills and eats other animals.
- 15. any organism that feeds or obtains nutrients by breaking down organic matter from dead organisms.
Down
- 1. the nonliving component of an ecosystem
- 2. an organism that can make its own food by using energy from its surroundings.
- 4. the living or once-living organisms in an ecosystem
- 8. all the living and non-living things that surround an organism.
- 9. an organism that eats other organisms
- 10. a place where an organism lives.
- 12. a group of individuals of the same species that live in the same area.
- 13. a group of various species that live in the same habitat and interact with each other
- 16. animals that are caught and eaten by other animals.