Across
- 3. last level- return to the soil for producers
- 5. Any biotic or abiotic factor that can limit the number of organisms or what type of organisms an environment can support
- 6. 1 giraffe (any living thing)
- 8. Natural process, disappearance of all members of a species from the earth
- 13. area with many endangered species- work to save 1 and you save many
- 16. Any living thing in the environment
- 17. A group of organisms that can mate and produce viable offspring
- 19. all the members of one species in a particular area
- 20. Species Influences the survival of many other species in an ecosystem
- 22. any nonliving thing in the environment that could affect a biotic factor (sunlight, oxygen, water, soil..)
- 23. Variety of species in an area
- 24. maximum number of organisms an enviroment can support
Down
- 1. Between 2 species or among 1 species for resources or limiting factors
- 2. All the different populations that live together in an area
- 4. # of individuals in a given area OR # of organisms per area
- 7. do not make their own energy, also called heterotraughs, can be many levels called Primary, Secondary, Tertiary etc. Including herbivores, carnivores and omnivores
- 9. In danger of becoming endangered
- 10. One organism eats an organism of a different species
- 11. In danger of becoming extinct
- 12. Community and their nonliving surroundings
- 14. An organisms job in its environment
- 15. where an organism lives- provides all it needs to live, grow, and reproduce (food, shelter, mates water...)
- 18. Study of the environment and how all living things in it interact with each other and with abiotic factors
- 21. Presence of harmful or poisonous substances in the environment