1. Final Exam Review Questions
Biology
Final Exam Review Questions

2. Describe the flow of energy in the food chain

3. What is the difference between habitat and niche?

4. What happens to the mass at each stage of this food pyramid?

5. What is the difference between biotic and abiotic?

6. What is the difference between aerobic and anaerobic?

7. Describe the “competition” in the graph above.

8. State a plausible explanation for the above graph

9. COMMUNITY INTERACTIONS
Describe these types of interactions:
Competition
Predation
Symbiosis

10. Explain: Mutualism
See next slide for answer

11. Mutualism means that both species benefit, like the clownfish and the anemone

12. Describe commensalism
What’s happening?

13. commensalism
beneficial to one species, other remains neutral (not helped nor harmed)
Ex. Epiphytes, ramora

14. What is parasitism?
Analyze this picture

15. parasitism Parasitism:
One species harms (parasite) another species (host) to benefit themselves
Eg. Parasitic isopod and fish

16. ECOLOGICAL SUCCESSION
What is ecological succession?

17. ECOLOGICAL SUCCESSION
The gradual changes in an ecosystem after a disturbance occurs

18. Explain the differences
Producers
Secondary consumers
Decomposers
Primary consumers

19. What is a non-native species?
Why do non-native species often disrupt their ecosystem?

20. ECOLOGICAL SUCCESSION
Gradual change in living communities that follows a disturbance
Describe these 2 Types of succession:
Primary succession:
Secondary succession:

21. ECOLOGICAL SUCCESSION
Gradual change in living communities that follows a disturbance
Types of succession:
Primary succession: occurs on surfaces where no soil exists
pioneer species to climax community
Secondary succession: follows a disturbance that destroys a community without destroying the soil