1. Words to Know 1.Ecosystem10. population density19. symbiosis 2.Habitat11. immigration20. mutualism 3.Biotic factor12. emigration21.commensalism 4.Abiotic factor13. limiting factor22. parasitism 5.Photosynthesis14. natural selection23. parasite 6.Species15. adaptation24. host 7.Population16. niche25. birth/deatrate 8.Community17. predator 9.Ecology18. prey

2. Interactions among living organisms

3. Adaptations The behaviors and physical characteristics of species that allow them to live successfully in their environment.

4. Niche An organisms particular role, or how it makes its living.

5. Competition The struggle between organisms to survive in a habitat with limited resources.

6. Predation An interaction in which one organism kills and eats another

7. predator The organism that is doing the killing

8. Predator Adaptations Adaptations that allow the predator to more easily catch and kill their prey. Ability to see at night Speed Poisonous stings

9. Prey The organism being killed

10. Prey Adaptations The development of defense mechanisms helping to protect the prey Warning colors Protective coverings camouflage

11. Symbiosis Close relationship between two species that benefits at one of the species…. Three types: mutualism, commensalism, parasitism

12. Mutualism Relationship in which both species benefit

13. Commensalism Relationship in which one species benefits and the other species is neither helped nor harmed

14. Parasitism Relationship in which one organism lives on or in another harming that organism

15. Illustration Quiz Each picture is given with its vocabulary word…..write one sentence why each picture is true.

16. Ecosystem

17. Biotic Factors

18. Mutualism

19. Commensalism

20. Natural Selection

21. Predator

22. Prey

23. Energy Flow in Ecosystem

24. How does this group of Organisms work together?

25. Energy Roles An organism’s energy role is determined by how it obtains energy and how it interacts with the other living things in its ecosystem. Roles maybe:

26. Energy Energy first enters most ecosystems as sunlight. Organisms, such as plants, algae and certain microorganisms store it as food energy. http://w ww.pbs. org/wgb h/nova/ nature/ photosy nthesis. html

27. Links http://www.sheppardsoftware.com/content /animals/kidscorner/games/producersconsu mersgame.htm

28. ResearchConsumers Table Group # 2 (middle tables) Define Explain its position in an ecosystem 6 examples of consumer What makes them important How do they work 6 other details you can find

29. Research Decomposers Table group # 3 (by the window) Define Explain its position in an ecosystem 6 examples of decomposer What makes them important How do they work 6 other details you can find