Name: ________________________________________________ Date: _________________ Period: _______ Ecology Unit Review Worksheet | Part 2 Directions: Treat this like a test/quiz and answer as much as you can without ANY help. See how much you actually know by highlighting/starring what you don’t (yes, you have to do this and I will be looking for it). Then, using your notes, go back and answer what you missed. Spend most your time reviewing what is highlighted/starred. 1. Define the vocabulary words in the boxes below: Symbiotic Mutualism Commensalism Parasitism Example Example Example 2. For the paragraph on Succession, fill in the blanks using the words provided: abiotic factors ecosystems lichen pioneer species climax community quicker succession soil fire primary succession secondary succession moss intact lava slower rock (a) ________________________ are constantly changing. Both (b) ________________________ and biotic factors change in every ecosystem. One type of ecosystem change is called (c) ______________________. This results in one community replacing another over time. This process might begin on bare rock formed from the cooling of molten (d) __________________. This process begins when (e) ________________ & (f) ________________, also known as the (g) _________________________________________, begin living on and breaking down bare rock. When these organisms die, their remains mix with the rock pieces to form a thin layer of (h) __________________________. This process of establishing and developing an ecosystem in a previously uninhabited area is called (i) ________________________________. The mature community that eventually forms is called the (j) ________________________________________. Sometimes that community is destroyed by a (k) ___________________________. A new community will replace the destroyed one through the process of (l) ______________________________________. This process happens much (m) __________________ because the soil is usually left (n) __________________. 3. What is Earth’s carrying capacity?___________________________________________________________ 4. What technologies have helped the human population grow? a. __________________________b. _________________________c. __________________________ 5. Labeland DEFINE the 3 stages of population growth in the graph below. 6. For the following terms draw a picture to symbolize its meaning /function: Ecological Footprint Acid Rain Invasive Species Greenhouse Effect Indicator Species Biomagnification 18. What is smog? How does it form? _______________________________________________________________________________________
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_______________________________________________________________________________________ 19. Explain how the ozone layer is beneficial and how it is being harmed. _______________________________________________________________________________________
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_______________________________________________________________________________________ 20. Explain the process of biomagnification. _______________________________________________________________________________________
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_______________________________________________________________________________________ 21. Why are pollutants more harmful to tertiary consumers as opposed to producers? _______________________________________________________________________________________
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_______________________________________________________________________________________ 22. Fill in the T‐Chart with the proper examples:
Renewable Resources Nonrenewable Resources
23. What is an ecological footprint? ____________________________________________________________ _______________________________________________________________________________________ a. What factors determine its size? _________________________________________________________________________________ 24. What is biodiversity? Give at least one reason/example as to why it is important to humans? _______________________________________________________________________________________
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_______________________________________________________________________________________ 25. What are the consequences to a loss of biodiversity? _______________________________________________________________________________________
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_______________________________________________________________________________________ 26. How can protecting an umbrella species protect an entire ecosystem? _______________________________________________________________________________________
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_______________________________________________________________________________________ 27. Compare & contrast: Umbrella species Keystone species 28. How do governmental actions help to preserve natural habitats and protect resources? _______________________________________________________________________________________
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