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16 Cards in this Set
- Front
- Back
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All living things have a cellular organization that contain similar: (6 things)
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1. chemicals
2. use energy 3. respond to their surroundings 4. grow 5. develop 6. reproduce |
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Unicellular
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An organism with a single-cell
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All living things must satisfy their basic needs for food, water, living space, and stable internal conditons.
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Biologists use classification to organize living things into groups so that the organisms are easier to study
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Taxonomy
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The scientific study of how living things are classified
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Genus
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a classified grouping that contains similar, closely related organisms. (The first word in an organisms scientific name.)
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Species
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A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
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The difference between a tick and a mite is...
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* The length
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3 Domains of LIFE:
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1. Bacteria
2. Archaea 3. Eukarya |
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Eukarya are classified into 4 organisms
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1. Protist
2. Fungi 3. Plants 4. Aniamals |
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Nucleus
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A dense area in a cell that contains nucleic material.. The chemical instructions that direct the cell's activities.
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Organisms that belong to the domain of Eukarya have cells that contain a nuclei.... These organisms are called....
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Eukaryotes
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3 characterisitcs of plants:
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1. they are multicellular eukaryotes
2. most live on land 3. autotrophs that make their own food. |
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The most abundant gasses in the atmosphere... (4) on ancient Earth....
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1. Nitrogen
2. water vapor 3. carbon dioxide 4. Methane |
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3 thoughts that scientists thought about early life forms...
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1. thought that they didn't need oxygen to survive
2. Thought that they were probably unicellular 3. Thought they lived in the ocean. |
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The first organisms probably resembled the "Achaea" that live today
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*
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A FOSSIL...
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Trace of an ancient organism that has been preserved in rock or other substance.
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