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24 Cards in this Set

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