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Definition
| Cells lacking a true nucleus |
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Definition
| Composed of one or more cells that contain nuclei and many other organelles |
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Definition
| A series of geological events, along with the appearance of eukaryotes, and underwater species. |
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Definition
| Time when vertebrates capable of breathing air used supportive fins to move onto land. More significantly, when plants began to cover the earth (mosses, fungi) |
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Definition
| Period of great geological shift, where continents begin to shift towards their current location. Period of the Dinosaurs. Ends in mass extinction. |
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Definition
| Species that survived the mass extinction diversified and evolved into new species. Many familiar mammals developed during this time period. |
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Definition
| The idea that species were created out of elements. |
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Definition
| The concept that all life today originated from another ancestral species. Raises the question, what was the first species? |
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Term
| Four-Stage Hypothesis of Life |
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Definition
| Synthesis of Monomers, Synthesis of Polymers, Formation of Pre-Cells, Ability to Self-Replicate |
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Definition
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| A way for prokaryotic cells to reproduce by continuously copying DNA to create prokaryotes that expand through a power function. |
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Term
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Definition
| A thick coating produced within a cell to protect the cell against almost any environmental hazard. |
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Definition
| Bacteria and organisms that cause disease |
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Definition
| Poisonous proteins secreted by bacterial cells. |
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Definition
| Chemical components of the outer membrane of certain bacteria. |
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Definition
| The use of organisms to remove pollutants from water, air, or soil. |
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Definition
| Term that includes all eukaryotes that are not fungi, animals, or plants. Typically, they are unicellular |
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Term
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Definition
| Close association between organisms of two or more species |
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Term
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Definition
| One species living inside another host species. |
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Definition
| Protists that live primarily by ingesting food. |
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Term
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Definition
| Protozoans that move by means of one or more flagella. |
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Term
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Definition
| Protozoans that are characterized by great flexibility in their body shape |
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Term
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Definition
| Temporary extensions of the cell as a means of movement. |
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Term
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Definition
| Protozoans that are all parasitic, named for their tip that is specialized for penetrating host cells. |
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Term
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Definition
| Protozoans that use structures called cilia to move and feed |
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Term
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Definition
| Photosynthetic protists that can be unicellural, colonial, and multicellular. |
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Term
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Definition
| The communities of organisms that drift or swim near water surfaces |
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Term
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Definition
| Abundant pastures of reinforced plankton. Causes red tides. |
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Term
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Definition
| Cells with glass cell walls containing silica (mineral used to make glass) |
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Term
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Definition
| Found in aquatic environments, known for their general green tint. |
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Term
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Definition
| Large, multicellular marine algae |
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