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20 Cards in this Set
- Front
- Back
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Biology
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the study of life
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development
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process by which an organism becomes a mature adult
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stimulus
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a characteristic of life, when an organism can respond to a physical or chemical change in the internal or external environment
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tissues
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groups of cells that have similar abilities and that allow the organ to function
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multicellular
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organisms made up of multiple cells
(example)humans |
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organs
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structures that carry out specialized jobs within an organ system
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unicellular
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organisms made up of 1 cell -
(example) bacteria |
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organelles
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tiny stuctures that carry out functions necessary for the cell to stay alive
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biological molecules
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chemical compounds that provide physical structure and that bring about movement
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homeostasis
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maintenance of a stable level of internal conditions even thoughenvironmental conditions are constantly changing.
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metabolism
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sum of all the chemical reactions that take in and transform energy and materials from the environment
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cell division
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formation of 2 new cells from an existing cell
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organization
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high degree of order within an organism's internal and external partsand it's interaction with the living world
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gene
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short segment of DNA that contains the instructions for a single trait of an organism
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reproduction
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production of a new organism from an organism like itself
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sexual reproduction
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hereditary information recombines from 2 organisms of the same species
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asexual reproduction
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hereditary information from different organisms is not combines
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evolve
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change through time
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cell
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smallest unit that can perform all of lifes processes
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organ system
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groups of specialized parts that carry out a certain funtion in the organism
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