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18 Cards in this Set
- Front
- Back
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What is the binomial system?
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A nomenclature first designed by Carolus Linneaus, where every species has a Latin name. The first part is the genus and the second the species.
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What is the format of the binomial system.
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First letter capitalized (not the second part) and all italicized.
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What is the binomial nomenclature for humans?
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Homo sapiens.
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What are the seven levels of taxa (in descending order)?
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Kingdom, Phylum, Class, Order, Family, Genus, Species.
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In "Taraxacum officinale", what level of taxa is "Taraxacum"?
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Genus
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What kingdom is Cnidaria part of?
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Animalia
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What are the features of bryophyta?
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Small terrestrial plants
Not roots, stems or leaves, but structures that resemble them Leaf-like spiral structures Usually lives in clusters like sponges holding water i.e. Mosses and liverworts |
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What are the features of filicinophyta?
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Have true leaves
Have leaves unroll Have an underground creeping stem (rhizome) i.e. ferns |
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What are the features of coniferophyta?
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Woody plants, mostly trees with a single wooden trunk with side branches
Long thin needle leaves arranged in spirals, often dark green. Produce seeds in cones i.e. conifers |
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What are the features of angiospermophyta?
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have flowers (may be small in wind pollinated angiospermophyta)
seeds are in ovaries (become the fruit) leaves are leaf blade and leaf stalk, veins visible on lower surface i.e. flowering plants |
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What are the features of porifera?
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Simple bodies
Aquatic Immobile No mouth, but has small holes for water Filters water for food and pump it out through holes i.e. Sponges |
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What are the features of cnidaria?
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Have cnidocytes (stinging cells)
Radially symmetrical Gastro-vascular cavity (hollow space in the center of the body) One opening to cavity Often have tentacles around the opening i.e. Jellyfish and sea anemones |
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What are the features of platyhelminthes?
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Soft flattened body, definite head region
Bilateral symmetry Gastro-vascular cavity (hollow space in the center of the body) Usually open to one cavity Aquatic or damp areas Free-living but often parasitic i.e. Flatworms |
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What are the features of annelida?
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Segmented bodies
Have mouth and anus Live in water/moist earth Free-living or parasitic Legless Bristle from body (helps movement) i.e. Worms |
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What are the features of mollusca?
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Soft unsegmented bodies
May have shell i.e. Snails, squids, clams, slugs |
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What are the features of arthropoda?
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Exoskeleton made of chitin (a polysaccharide)
Segmented Appendages to each segment At least 3 pairs of jointed legs Many free-living, some parasitic i.e. Animal with jointed legs |
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What group are the previous animal phytas?
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Invertebrates (animals without backbone)
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What is a dichotomous key?
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A key to identify items of any group of things (especially animals). "Di" means two, as there are two choices for each stage/question.
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