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20 Cards in this Set
- Front
- Back
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When using binomial nomenclature, what 2 words are used?
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First the Genus name, then the species name.
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What are the 5 biomes in Canada?
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Taiga, Grassland, Mountain, Tundra, and Deciduous Forests.
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What is the area from the shore of a lake to the point where no more plants grow?
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Littoral Zone.
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What is the Profundal Zone?
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Region of a lake where there is insufficient light for photosynthesis to take place.
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What are the 4 factors affecting Terrestrial Ecosystems?
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Soil, water, temperature, and sunlight.
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What are the 4 layers of soil starting with the surface layer?
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Litter, topsoil, subsoil, and bedrock.
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What are the 4 factors affecting aquatic ecosystems?
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Chemical environment, temperature and sunlight, water pressure, and seasonal variation in Canadian lakes.
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What is the zone between the Epiliminon level and the Hypolimnion level of a lake?
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Thermocline (level in which the temperature changes rapidly)
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What are the 2 levels of biological diversity?
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Species diversity and genetic diversity.
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What are the 3 domains used to classify an organism?
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Bacteria, Archaea, and Eukarya.
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What is it called when something is similar in structure but not in function?
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Homologous Structure.
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Who are the 2 prominent figures in Evolution?
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Charles Darwin and Jean Baptiste Lamarck.
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What is speciation?
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Creation of a new species.
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What are the different level used for organism classifcation?
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Kingdom, Phylum, Class, Order, Family, Genus, and Species.
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What are two methods used to date fossils?
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Absolute dating and Relative dating.
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Define the term biogeography.
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The study of the geographic distribution of life on earth.
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What does DNA stand for?
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Deoxyribose nucleic acid.
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Define the term Natural Selection.
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The result of differential reproductive success of individuals caused by variation in their inherited characteristics.
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What is a mutation?
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A change in the DNA sequence in a chromosome of an organism.
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What are the 3 steps of Allopatric Speciation?
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1. Physical Barrier
2. Natural Selection occurs independantly among both groups 3. Differences become so pronounced that if reunited the 2 populations would not be sexually compatible. |
