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| consists of all life on Earth and the places where life exists |
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| consists of all living things in a particular area as well as the non-living components of the environment with which life interacts |
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| the array of organisms inhabiting a particular area; a set of populations that inhabit a certain area |
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| consists of all the individuals of a species living within a specific area |
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| all living things: plants, animals, etc. |
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| a body part that carries out a particular function in the body. Ex: leaves, stems, roots - which all consist of multiple tissues |
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| made up of: groups of cells that work together to perform a specialized function |
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| life's fundamental unit of structure and function |
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| the various functional components present in cells |
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| a chemical structure consisting of two or more units called atoms - the matter in which every living thing is composed of |
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| the scientific study of life |
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| new properties that arise with each step upward in the hierarchy of life as a result of the arrangement and interactions of parts as complexity increases |
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| a testable explaination for a set of observations based on the available data and guided by inductive reasoning; a narrower scope than a theory |
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| in deductive reasoning, a forcast that follows logically from a hypothesis; by testing a __________, experiments may allow certain hypotheses to be rejected |
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| active acquisition of information from a primary source |
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| an explaination that is broader in scope than a hypothesis, generates new hypotheses, and is supported by a large body of evidence |
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| an experiment in which an experimental group is compared with a control group that varies only in the factor being tested |
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| a relationship between two variables in which both variables move in tandem (one behind the other) |
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| often a result of a third factor that is not apparent at the time of examination; comes from a latin word meaning illegitimate or false |
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| a variable whose value is measured during an experiment or other test to see whether it is influenced by changes in another variable |
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| a variable whose value is manipulated or changed during an experiment or other test to reveal possible effects on another variable |
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| an atmospheric condition in which oxidation is prevented by removal of oxygen and other oxidizing gases or vapours, and which may contain actively reducing gases such as hydrogen, carbon monoxide and gases that would oxidize in the presence of oxygen, such as hydrogen sulfide |
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| the subunit that serves as the building block of a polymer |
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| a long molecule consisting of many similar or identical monomers linked together by covalent bonds |
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| a giant molecule formed by the joining of smaller molecules, usually by a dehydration reaction. Examples of ________ are polysaccharides, proteins, and nucleic acids. |
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| an abiotic precursor of a living cell that had a membrane-like structure and that maintained an internal chemistry different from that of its surroundings |
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| a membranous sac in the cytoplasm of a eukaryotic cell |
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| a type of nucleic acid consisting of a polynucleotide made up of nucleotide monomers with a ribose sugar and nitrogenous bases adenine (A), cytosine (C), guanine (G), and uracil (U); usually single-stranded; functions in protein synthesis, in gene regulation, and as the genome of some viruses |
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| DNA - deoxyribonucleic acid |
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| a nucleic acid molecule, usually a double-stranded helix, in which each polynucleotide strand consists of nucleotide monomers with a deoxyribose sugar and the nitrogenous bases adenine (A), cytosine (C), guanaine (G), and thymine (T); capable of being replicated and determining the inherited structure of a cell's proteins |
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| an RNA molecule that functions as an enzyme, suhc as intron that catalyzes its own removel during RNA splicing |
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