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Science Term 1 Vocab

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