Download Unit 1 SG 2013

Environmental Science
Unit 1 Review Guide
Name ________________________________________ Test Date: ______________________________________
Nutrient Cycles
Define:
Water cycle
Carbon Cycle
Nitrogen Cycle
Phosphorous Cycle
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Describe the process of how each cycle keeps cycling.
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Explain what a carbon sink is and what happens there.
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Which cycles are closed cycles and why might it be important to be more sustaninable?
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What are greenhouse gases?
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What do they do the environment? Atmosphere (ozone layer)?
FC/FW
Define:
Producer
Autotroph
Consumer
Herbivores
Omnivores
Carnivores
Decomposer
Energy transfer
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Describe the difference between food chains and food webs.
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Where do all food chains and food webs begin?
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Where does the energy come from? Name the process.
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How does energy transfer happen?
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Why are decomposers important to an ecosystem?
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Determine organisms trophic level by looking at a food chain and food web.
Biomes
Define:
Abiotic
Biotic
Biosphere
Habitat
Community
Niche
Population
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Identify the difference between an aquatic versus terrestrial biome.
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Look at the Biome matrix/chart you completed for the Biome notes. Be able to explain the major threats for
each biome, and common characteristics of each biome.
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What affect do mountains have on the amount of rainfall?
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What are factors that affect where you might find biome distribution?
Predator-Prey
Define:
Predator
Prey
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Why are predators larger than prey?
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Describe effects of taking predators out of an ecosystem.
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List the tactics of a predator.
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List the tactics of a prey.
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Name a predator that has been reintroduced successfully and explain how why it was successful.
Native vs Invasive Species
Define:
Native
Invasive
Biodiversity
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What might cause the loss of biodiversity?
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What are ways to improve biodiversity?
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(Page 49 of workbook) Explain range of tolerance. Describe where you might find the greatest diversity
and where you might find an overabundance of resources.
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List 3 invasive species and how they have affected an ecosystem.
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What measures have humans taken to