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| One of the three domains; has peptidoglycan in their cell walls. |
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| One of the three domains; some of its members are extremophiles. |
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| One of the three domains; it has complex cellular organization. Made up of four kingdoms: fungi, protista, animalia, and plantae. |
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| The science of describing and classifying organisms in a hierarchical order. |
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| Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species |
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| Taxonomical classification scheme |
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| A type of bacteria that decomposes dying material. |
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| Mutualistic associations with other organisms in which both partners benefit from the relationship. |
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| One of the three main types of bacterial shapes (spherical) |
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| One of the three main types of bacterial shapes (rod-shaped) |
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Definition
| One of the three main types of bacterial shapes (helical) |
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| Bacteria with simple cell walls with a very thick peptidoglycan layer that is capable of retaining the Crystal violet dye (purple) used during the gram staining procedure. |
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Definition
| Bacteria with a thinner layer of peptidoglycan in their cell walls. These bacteria stain dark pink from the Safranin dye. Their cell walls are more complex due to the presence of lipopolysaccharides which secrete potent toxins. |
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| A biochemical feature of some bacteria characterized by the ability to use light to generate their own carbon sources. |
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| A biochemical feature of some bacteria characterized by the requirement of organic molecules to obtain carbon. |
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Definition
| One of the five genera of the algae phylum Chlorophyta (Volvocine line). Single celled motile alga with a stigma (eyespot) that functions in the absorption of light. Reproduction is usually asexual except during times of environmental stress where the organism undergoes isogamy. |
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Definition
| One of the five genera of the algae phylum Chlorophyta (Volvocine line). It is colonial, has specialized cells for reproduction and is oogamous which is unique within the five genera. |
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Definition
| When an organism produces identically sized and shaped gametes for sexual reproduction. |
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| Where an organism produces gametes that are not identical; one gamete is small and motile while the other is large and non-motile. |
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Definition
| Protist known as slime molds; are brightly colored (yellow or orange), heterotrophic, and exhibit amoeboid movement. They feed on dead/decaying material and reproduce via spores produced in sporangia. Cell walls are made up of cellulose. |
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