SNC1W – Ecology Unit Test Review
Chapter 2
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Our atmosphere and its functions – atmosphere, lithosphere, hydrosphere
What is sustainability – you may be given scenarios and asked if it is sustainable
Producers vs. consumers and energy flow
Comparing photosynthesis and cellular respiration
Ecological pyramids – pyramid of energy, numbers and biomass – what do they represent
Biogeochemical cycles – analysis of the Carbon cycle, and Nitrogen cycle
Carbon cycle, photosynthesis and cellular respiration – how are they linked?
Tolerance range, optimum range and carrying capacity
Biotic and abiotic factors influencing the ecosystem – tolerance range,
competition/predation/symbiosis, carrying capacity
What is a biome?
The importance of aquatic ecosystems, watersheds
Chapter 2 Review: pg. 68 #1-3, 5-10, 12, 14-18
Chapter 2 Self-quiz: pg. 70 #1, 3, 4, 5, 6, 7, 8, 11, 12, 16, 17, 18, 20, 21, 22, 24, 26
Chapter 3
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What is equilibrium? How is it achieved in ecosystems?
Primary vs. secondary succession
Benefits of succession
Why is biodiversity important? Think about species richness, crop failure
Habitat Loss vs. fragmentation
What are some ways to improve sustainability of fragmentation?
Invasive species – what are they, how to control
Pollution – how does acid rain affect the ecosystem, ways to clean up oil spills?
What is the Great Pacific Garbage Patch?
Forestry practice – clear-cutting, shelterwood cutting and selective cutting
Issues with deforestation
Chapter 3 Review: pg. 110 #1 (b, e, f, g), 2, 3, 4, 5, 7, 12, 13
Chapter 3 Self-quiz: pg. 112 #1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16, 19, 22, 23
Chapter 4
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How do agroecosystems differ from natural ecosystems?
Managing soil nutrients – how are nutrients lost?
Fertilizers – natural vs. synthetic
What are the environmental impacts of adding fertilizers?
Ways to control water flow into soil and the environmental impacts
Types of alternative farming practices
What are pests?
Pesticides – broad-spectrum pesticides vs. narrow-spectrum pesticides? How do they work?
What are some problems with the use of pesticides? Pros vs. cons
Bioamplification and bioaccumulation – how do pesticides travel up the food chain?
What is pesticide resistance? How do we distance ourselves from relying on pesticides?
Urban vs natural ecosystems and ways to reduce ecological footprint
Chapter 4 Review: pg. 150 #1 (a, c, d, e, f), 2, 4, 6, 8, 11, 12, 13, 14, 16, 17, 18, 23
Chapter 4 Self-quiz: pg. 152 #1, 6, 7, 10, 11, 14, 16, 18, 23, 25, 28, 29