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20 Cards in this Set
- Front
- Back
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Earth is a ___A___, which is any system in which ____B_____ is not exchanged with its ____C_____
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A: Closed system
B:Matter C:Surroundings |
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A ____A______ exchanges_____B______ with its surroundings.
___C____ is totally dependant on _____________D____________ and _____E______ available on earth. |
A: Closed system
B: Energy C:Life D: Incoming solar energy E:Matter |
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What is the Gaia Hypothesis?
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A theory j.e love came up with
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What are the 3 structural zones in the biosphere?
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Lithosphere, Hydrosphere, and Atmosphere
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What are the levels of biological organization?
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Cell, tissue, organs, organ system, organism, population, community, ecosystem, biome, biosphere
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Define species
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A group of organisms that can naturally interbreed to produce fertile offspring
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Define Population
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All organisms of the same species in the same area at the same time
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Define Ecosystem
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A community along with its biotic and abiotic environment
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Define Biome
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Climatically and geographically defined area ecologically similar communities
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4 biomes in Canada?
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Tundra, Taiga, Deciduous forest, and grasslands
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3 types of symbiotic relationships, and define them
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Parasitism- One benefits, and the other organism gets harmed
Commensalism- One benefits, and the other neither benefits or gets harmed Mutualism- Beneficial to both organisms |
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What is a food chain?
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A step-by-step sequence linking organisms that feed on each other
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How does a community differ from an ecosystem?
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A community is about the different species and ecosystem is about its biotic and abiotic environment
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Define Biodiversity
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The number of species in an ecosystem
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Why is diversity important for ecosystems?
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It increases ecosystem productivity
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Define herbivore
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animals that eat plants
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Define Carnivore
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animals that feed on other animals
ex:frog |
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Define Omnivore
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Animals that eat both plants and animals
ex:human |
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What is a detritus food chain?
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Detritus is that waste material left behind from other biological processes
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Define dynamic equilibrium
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Any system that can adjust to changes to maintain its steady state
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