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Name: _______________________________________ Date: _________________ Period: ______
Unit 8: Ecology Review Guide
(Separate Sheet of Paper)
Objective 1: The Student can explain the hierarchy of organization in the environment
1. Compare and contrast the terms ecology & ecosystem.
2. List the levels of biological classification from broad to specific.
3. What is the difference between a community and a population?
4. How does cutting down trees in the rainforest affect the carbon cycle?
5. What is the one thing you were told to remember about the water cycle based on the
simulation you did outside?
Objective 2: The student can list and explain the biotic & abiotic factors that affect the
environment.
6. Define the terms biotic & abiotic and list 2 examples of each.
7. List 3 examples of abiotic factors that affect an ocean ecosystem.
8. Define the term invasive species. What makes a species invasive and not just an introduced
species?
9. Define the term niche and give an example.
10. List the 5 things from your notes that cause terrestrial and aquatic ecosystems to change.
11. What is the difference between primary and secondary succession? Give an example of each.
12. Define pioneer species and climax community.
Objective 3: The student will apply their knowledge of Populations to the following questions:
13. List 4 factors that affect the number of individuals in a population.
14. Define the term carrying capacity. What could be a negative effect as a result of a
population reaching its carrying capacity?
15. List the 3 types of population dispersion and draw a brief picture of each.
Objective 4: The student will apply their knowledge of Human Ecology to the following questions:
16. Define the term sustainability.
17. Define the terms renewable & non-renewable resource and provide an example of each.
Objective 5: The student will apply their knowledge of Energy flow in an Ecosystem to the
following questions:
18. Create a “T” chart comparing and contrasting producers & consumers.
19. What type of consumer is a vegetarian? Why?
20. Where is the greatest amount of energy in an ecosystem: the first tropic level or the 4th
trophic level and why?
21. What is the difference between a food chain and a food web in terms of energy transfer?
22. Fill in the energy pyramid with the appropriate trophic level names.
23. Describe the 10% rule. Why is energy lost?
24. How much energy is available at the third trophic level if the first level has 400,000
kilocalories of available energy and the loss rate between trophic levels is 90%?