1. Ecology Overview!

2. Bioaccumulation and Biomagnification Bioaccumulation - how pollutants enter a food chain Biomagnification - pollutants tend to concentrate as they move from one trophic level to the next.

3. You’ve found your niche! Ecological niche- the role and position a species has in its environment –Habitat- where an organism lives No two species can occupy the same ecological niche at the same time if resources are limiting…

4. Which of the following relationships is shown below? 1.Predator-Prey 2.Competition 3.Parasitism 4.Commensalism 5.Mutualism 1234567891011121314151617181920 212223242526

5. What kind of relationship is shown below? The sea anemone has poisonous tentacles that protect the clown fish from predators, but the anemone is not hurt. 1.Competition 2.Predator-Prey 3.Commensalism 4.Mutualism 5.Parasitism 1234567891011121314151617181920 212223242526

6. Which of the following relationships is shown below? 1.Competition 2.Predator-Prey 3.Parasitism 4.Commensalis m 5.Mutualism 1234567891011121314151617181920 212223242526

7. What kind of relationship is shown below? 1.Competition 2.Predator-Prey 3.Commensalism 4.Mutualism 5.Parasitism Lichens are formed because of a relationship between a fungus and an algae. The fungus conserves water and leeches nutrients for the algae who in turn photosynthesizes food for the fungus. 1234567891011121314151617181920 212223242526

8. Based on the diagram, which level of organization is pictured below: 1.Atom 2.Cell 3.Molecule 4.Tissue 5.Organelle 1234567891011121314151617181920 212223242526

9. The level of organization pictured below can best be described as a(n): 1.Molecule 2.Atom 3.Tissue 4.Organelle 1234567891011121314151617181920 212223242526

10. The level of organization pictured below can best be described as a(n): 1.Tissue 2.System 3.Cell 4.Organ 1234567891011121314151617181920 212223242526

11. What do the wolves in this picture represent? 1.Population 2.Ecosystem 3.Community 4.Biome 1234567891011121314151617181920 212223242526

12. Which of the following could be the wolves COMMUNITY? 1.All the populations of wolves in that biome 2.The wolves, and the moose 3.The wolves and the soil 1234567891011121314151617181920 212223242526

13. Everything in this picture would add up to a/an… 1.Population 2.Biome 3.Ecosystem 4.Species 1234567891011121314151617181920 212223242526

14. The Atmosphere, Water and Soil pictured below are examples of…............ 1.Biotic Factors 2.Abiotic Factors 3.Ecosystem 4.Population 5.Community 1234567891011121314151617181920 212223242526

15. If the insect in the food chain became extinct, who would suffer the most 1.Fox 2.Snake 3.Mice 4.frog 5.rabbit

16. Who in the food chain is sometimes a primary consumer and at other times a secondary consumer 1.Fox 2.Snake 3.Mice 4.frog 5.rabbit

17. The highest feeding level represented in this energy pyramid 1.First level consumer 2.Primary producers 3.Fourth level consumer 4.Fifth level consumer

18. We are the autotrophs S T W U R P Q V 1.P 2.R 3.U 4.T 5.S 6.Q 7.V 1234567891011121314151617181920 212223242526

19. An omnivore S T W U R P Q V 1.T 2.S 3.W 4.R 5.U 6.P 7.Q 1234567891011121314151617181920 212223242526

20. Strictly an herbivore S T W U R P Q V 1.R 2.U 3.T 4.V 1234567891011121314151617181920 212223242526