Science Term 1 Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| living things | organisms
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| the basic unit of structure and function in an organism | cell
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| single-celled organisms | unicellular
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| organisms composed of many cells | multicellular
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| organisms that make their own food | autotrophs
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| organisms that cannot make their own food | heterotrophs
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| the maintenance of stable internal conditions | homeostasis
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| Levels of Classification | Kingdom, Phylum, Class, Order, Family, Genus, Species
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| the scientific study of how things are classified | taxonomy
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| naming system devised by Linnaeus in which each organism is given a unique, two-part scientific name | binomial nomenclature
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| a tiny, non-living particle that enters and then reproduces inside a living cell | virus
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| an organism that provides a source of energy for a virus or another organism | host
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| an organism that lives on or in a host and causes it harm | parasite
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| a virus that infects bacteria | bacteriophage
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| single-celled prokaryotes | bacteria
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| a long, whiplike structure that helps a cell to move | flagellum
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| a process in which one cell divides to form two identical cells | binary fission
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| a reproductive process that involves only one parent and produces offspring that are identical to the parent | asexual reproduction
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| a reproductive process that involves two parents who combine their genetic material to produce a new organism, which differs from both parents | sexual reproduction
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| a process in which one bacterium transfers some of its genetic material into another bacterium through a think threadlike bridge that joins the two cells | conjugation
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| a small, rounded, thick-walled, resting cell that forms inside a bacterial cell | endospore
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| an illness that passes from one organism to another | infectious disease
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| the result of some bacteria being able to survive in the presence of an antibiotic | antibiotic resistance
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| an organism whose cells lack a nucleus | prokaryote
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| a dense area in a cell that contains nucleic acids | nucleus
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| organisms with cells that contain nuclei | eukaryotes
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| a eukaryote that cannot be classified as an animal, plant, or fungus | protist
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| a unicellular, animal-like protist | protozoan
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| a temporary bulge of the cell | pseudopod
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| hairlike projections from cells that move with a wavelike motion | cilia
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| a close relationship in which at least one of the species benefits | symbiosis
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| extremely diverse plantlike protists | algae
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| the rapid growth of a population of algae | algal bloom
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| the branching, threadlike tubes that make up the bodies of multicellular fungi | hyphae
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| reproductive structures in which fungi produce spores | fruiting body
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| a form of asexual reproduction used by unicellular yeast cells | budding
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| eukaryotes that have cell walls, are heterotrophs that feed by absorbing their food, and use spores to reproduce | fungi
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| a unit of measurement that is equal to 1/1,000,000 of a meter | micrometer
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Created by:
rosenfeldm
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