Across
- 5. Manufactures its own food. Also called a producer
- 6. relationship where one species benefits and the other is unaffected
- 10. pattern of population growth in which a population starts out growing slowly but grows faster and faster as population size increases
- 11. the factor that limits the population growth of a region
- 12. A group of several different species of organisms that live in the same area
- 13. relationship where both organisms benefit
- 14. total mass of organisms at a given trophic level in a food chain or food web
- 16. The nonliving parts of an organism’s environment. Examples: rocks, rain, sun
- 17. changes through time in the numbers and types of species that make up the community of an ecosystem.
- 19. An organism’s function or role within its habitat
- 20. All the living (or once living) organisms that inhabit an environment
- 21. moves nitrogen through the abiotic and biotic parts of ecosystems.
- 23. Model used to show how matter and energy move through one path in an ecosystem
- 24. Organisms that obtains food by consuming other living things. Also called a consumer.
Down
- 1. Populations of plants & animals that interact with each other in a given area & with the abiotic factors of the area
- 2. final, stable community resulting from ecological succession
- 3. Has water, food, shelter, space, and air for an organism to survive.
- 4. Model that shows all the possible feeding relationships at each trophic level in a community
- 7. A group of individuals from the same species that live in the same area
- 8. Terrestrial ecosystems compose groups of regional climate communities
- 9. Break down dead organisms. Help add nitrogen back to the environment
- 15. An individual living thing that has the seven characteristics of life
- 18. The study of interactions between organisms and their environment
- 22. a pattern of population growth that starts off rapidly before leveling off as the population approaches the carrying capacity