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Unit 5B
Dichotomous Key
| Term | Definition |
|---|---|
| Dichotomous Key | A tool used to determine the identity of things in the natural world. |
| Couplets | A pair of contradictory statements where one statement is accepted and the other rejected. |
| Organism | An individual animal, plant or single-celled life form. |
| Kingdom | One of six groups of organisms that share similar characteristics with other that are also in that group. |
| Kingdom Eubacteria | True bacteria, prokaryotic, unicellular, autotrophs and heterotroph, spherical or rod-shaped, and found in soil, rocks, oceans, snow and living organisms. |
| Kingdom Achaeabacteria | Differs from other bacteria, prokaryotic, unicellular, autotroph and heterotroph , and found in extreme environments such as hydrothermal vents. |
| Kingdom Protista | Cannot be classified as animal, plant or fungus, eukaryotes, most are unicellular, and autotroph and heterotroph; Ex: slime mold (A), protozoa (B), primitive algae (C) |
| Kingdom Fungi | Multicellular, eukaryotes, all heterotrophs – consumers; Ex: yeast (A), mushrooms (B), ringworm (C). |
| Kingdom Plantae | Multicellular, eukaryotes, most live on land, autotrophs – (producer, makes its own food), provides food for heterotrophs. |
| Kingdom Animalia | Multicellular, eukaryotes, live everywhere, heterotrophs - consumers. |
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