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28 Cards in this Set
- Front
- Back
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Multicellular
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An organism that is made of more than one cell
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Unicellular
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An organism that is made up of only one cell
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Homeostasis
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The condition in which an organism’s internal environment is kept stable in spite of changes in the external environment
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spontaneous generation
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The mistaken idea that living things arise from nonliving sources
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organism
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Any living thing
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binomial nomenclature
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The classification system in which each organism is given a unique two-part scientific name indicating its Genus and species
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taxonomy
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The scientific study of how living things are classified
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species
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A group of similar organisms that can mate and produce offspring
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heterotroph
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An organism that cannot make its own food and feeds on other organisms
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autotroph
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An organism that can make its own food
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eukaryote
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Organisms that have a true nucleus (example: plants, animals, protists)
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prokaryote
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Organisms that do not have a nucleus (example: bacteria)
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virus
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A tiny nonliving particle that enters and then reproduces inside a host living cell.
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Protist
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A eukaryotic organism that cannot be classified as a plant, animal, or fungus
a tiny unicellular organism that lives in water or as a parasite |
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Fungus
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A mostly multicellular organism that reproduces using spores and is a heterotrophic decomposer
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Microbe / microorganism
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An organism that is so small you need a microscope to see it.
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binary fission
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The process that bacteria use to reproduce by splitting in two.
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Parasite
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Organisms that benefit from living with, on, or in a host.
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Carolus Linneas
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The scientist credited with popularizing binomial nomenclature and the modern classification system.
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Redi & Pasteur
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The scientists whose experiments disproved the idea of spontaneous generation.
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Pathogen |
path=disease gen= producer something that makes you sick |
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Compare and Contrast Viruses and Bacteria |
Viruses and Bacteria are both microscopic and can make you sick. Viruses are non-living and have no cellsBacteria are living and unicellular |
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Compare and Contrast Bacteria and Protists |
Bacteria and Protists are both unicellular and both types of pathogens.Bacteria are prokaryotes (no nucleus) and Protists are eukaryotes (have a nucleus). Protists are also larger than bacteria. |
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Compare and contrast fungi and protists |
Fungi and Protists are both pathogens and both eukaryotes (have a nucleus)Fungi are usually multicellular and protists are usually unicellular. Fungi reproduce with spores and protists usually reproduce through fission. |
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What type of infections are antibiotics useful for treating? |
Antibiotics are helpful in treating infections caused by bacteria. They are not effective treatments for viruses, fungi, or protists. |
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What two parts make up a scientific name? |
Genus then species |
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List the 4 types of pathogens we discussed in order from smallest to largest |
1. Viruses 2. Bacteria 3. Protists 4. Fungi |
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Are organisms in the same kingdom, class, or genus level of taxa more similar/closely related? |
Species contain the most similar organisms, but Genus are the next most closely related. |
