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24 Cards in this Set
- Front
- Back
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a membrane-covered structure that contains all of the materials necessary for life
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Cell
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a single parent produces offspring that are identical to the parent
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Asexual reproduction
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two parents produce offspring that now contain half their genetic information from both parents
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Sexual reproduction
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found in all the cells of all living things – contains the blueprint for life – instructions for making proteins
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DNA
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a series of steps scientist use to answer or solve a problem
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Scientific Method
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a possible explanation or answer to a scientific question (“educated guess”)
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Hypothesis
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an activity that you design to answer a scientific question that tests only one variable at a time
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Controlled experiment
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the factor in a controlled experiment that can change
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Variable
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the arrangement of organisms into orderly groups based on their similarities
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Classification
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the science of identifying, classifying and naming living things
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Taxonomy
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a tool used to identify unknown organisms
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Dichotomous key
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the smallest and simplest organisms on the planet
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Bacteria
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simple cell division, one cell divides into two new, identical cells
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Binary fission
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the movement of molecules from an area of high concentration to an area of lower concentration
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Diffusion
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the diffusion of water
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Osmosis
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a cell with no nucleus (bacteria/archaea)
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Prokaryotic cells
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a cell with a nucleus and other membrane bound organelles
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Eukaryotic cells
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an organism that makes its own food
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Producer
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organisms that eat producers or other organisms for energy
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Consumer
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an organism that gets energy by breaking down the remains of dead or decaying organisms and absorbing the nutrients
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Decomposer
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One of the classification levels for classifying living things. It falls immediately under the domain level.
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Kingdom
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Microscopic, single-celled organisms that live in extreme environments
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Archaea
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the living parts of your environment
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Biotic
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the non-living parts of your environment
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Abiotic
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