Ecology Review

5. Autotrophs, like plants and algae are also called
6. Animals breathe out CO2 and water as waster products of ____________
9. No two species can occupy the same niche
11. A consumer that eats decaying material
12. All of the organisms of the same species in the same area
14. the process in which nitrogen is taken from the air and converted into usable forms (thanks bacteria!)
17. The physical area where an animal lives
18. The acacia ant protects the acacia tree and in turn gets a food source
19. Tape worms live in the gut of their host and steal nutrients
20. Burning fossil fuels releases ________ into the environment
21. Organisms like otters that support biodiversity in their ecosystem
22. describes movement out of a population
23. A population growing under limiting conditions shows _____ growth

1. A process that removes CO2 from the atmosphere
2. Humans have introduced the lion fish to marine ecosystems in florida
3. Organisms that eat other organisms for their energy
4. Disease and competition for food are _________ factors
7. An species role in its environment
8. A crocodile and lion compete for food resources
9. the number of individuals an environment can support
10. Bodies of water may experience algae blooms when they are enriched with large amounts of nitrogen from fertilizer
13. the types and numbers of species in an area
15. each step in a food chain represents a _______ level
16. all of the living organisms that interact in an environment
20. Some bacteria live on human skin and eat dead skin cells, humans are not harmed