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