24Ecology-What-have-we-learned

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SNC1D1-Ecology Test Review

What have we learned?

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6.

What makes up an ecosystem? (pp. 32-42)

Habitats

Ecological Niches

Biotic factors; individuals, communities, populations

Abiotic Factors

Trophic Levels

Food Chains and Food Webs

Sustainability

Ecological Processes (pp. 48-52)

Energy Flow

Photosynthesis and Cellular respiration

The Water Cycle

Primary and Secondary Succession

Biomes (pp. 52-60)

Terrestrial Biomes- The five biomes of Canada

Aquatic Biomes-

Watersheds

Freshwater ecosystems- Eutrophic and Oligotrophic lakes

Zones of a lake- littoral, limnetic, benthic

Seasonal stratification- spring and fall turnover

Summer and winter fish kills

Pollution in aquatic ecosystems

Marine ecosystems- open ocean, coral reefs, estuaries, mangroves, intertidal zones

Ecological Stewardship (pp. 72-85)

What is the value of natural ecosystems?

Equilibrium and change

The importance of biodiversity

Extinction and species at risk

Human Impacts on Natural Ecosystems (pp. 87-106)

Habitat loss and fragmentation

Invasive species

Pollution- air, water, land

Overconsumption

Resource management- Forestry practices, oil extraction, wildlife management

Human-Designed Environments (pp. 119-143)

Agriculture- monocultures, fertilization, pesticides, native and non-native crops

Soil- What is it? Soil horizons, Soil nutrients (K,N,P)

Problems with fertilizing and applying pesticides

Pests and poisons- What is a pest, How do we control them?

Bioamplification and bioaccumulation

Urban Ecosystems-How are cities sources of pollution, how does it impact non-urban environments? What can we do to have greener cities? What’s good environmentally about cities?

Getting Ready for the Test

Practice Questions

Ecology Unit Review

Pages 158-159: questions 1-40

160-161: questions 41-46, 49-52, 57-61

162-163: questions 64, 66-68 & 71

164-165: questions 1-14, 17-21, 25

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