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AP Bio chapter 1 vocab.
Vocab
53
Biology
11th Grade
08/19/2010

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Term
DNA
Definition
Double stranded nucleic acid; contains genetic information coded in specific sequences of its constituent nucleotides
Term
Reproduction
Definition
Process by which new individuals are produced
Term
Development
Definition
all the progressive changes that take place throughout the life of an organism
Term
Energy
Definition
The capacity to do work
Term
Metabolism
Definition
The sum of all the chemical processes that occur within a cell or organism; the transformation by which energy and matter are made available for use by the organism
Term
Homeostasis
Definition
the balanced internal environment of the body; automatic tendency of an organism to maintain such a steady state
Term
Cell Theory
Definition
The theory that the cell is the basic unit of life, of which all living things are composed and the cells are derived from pre-existing cells
Term
Cell
Definition
The basic structural and functional unit of life, which consists of living material enclosed by a membrane
Term
Organelle
Definition
One of the specialized structures within the cell, such as the mitochondria, golgi complex, ribosomes, or contractile vacuole
Term
Unicellular
Definition
Term
Population
Definition
A group of organisms of the same species that live in a defined geographicarea at the same time
Term
Community
Definition
An association of populations of different species living together in a defined habitat with some degree of interdependence
Term
Ecosystem
Definition
The interacting system that encompasses a community snd its nonliving. physical environment
Term
Biome
Definition
A large, relatively distinct terrestrial region characterized by a similar climate, soil, plants, and animals, regardless of where it occurs on earth
Term
Biosphere
Definition
All of earth's living organisms, collectively
Term
Producer
Definition
An organism that synthesizes complex organic compounds from simple inorganic raw materials
Term
Autotrophic
Definition
Same as Producer
Term
Chemo-autotroph
Definition
Organism that obtains energy from inorganic compounds and synthesizes organic compounds from inorganic raw materials; includes some bacteria
Term
Photosynthetic
Definition
Transforming light enrgy to chemical energy through photosynthesis
Term
Consumer
Definition
An organism that can not synthesize its own food from inorganic raw materials and therefore must obtain energy from other organisms
Term
Heterotrophic
Definition
Same as Consumer
Term
Saphrophytic
Definition
Term
Decomposers
Definition
Microbial heterotrophs that break down dead organic material and use thedecomposition products as a source of energy
Term
Domain
Definition
a structural and functional region of a protein
Term
Kingdom
Definition
A broad taxonomic category made up of related phyla; many biologists currently recognize six kingdoms of living organisms
Term
Phyla Phylum
Definition
A taxoonomic grouping of related, similar classes; a category beneath the kingdom and above the class
Term
Class Order
Definition
Term
Family
Definition
A taxonomic category made up of related genera
Term
Genra, Genus
Definition
A taxonomic category made up of related species
Term
Species
Definition
One or more populations whose members are capable of interbreeding in nature to produce fertile offspring and do not interbreed with members of other species
Term
Taxonomy
Definition
The science of naming, describing and classifying organisms
Term
Binomial Nomenclature
Definition
System of naming species by the combination of the genus name and a specific epithet
Term
Archea
Definition
Prokaryotic organisms with a number of features, such as the absence of peptidoglycan in their cell walls, that set them apart from the bacteria.
Term
Archebacteria
Definition
Lives in heat, salt, acid conditions and process methane
Term
Eubacteria
Definition
Lives in soil, on other organisms and on surfaces
Term
Eukaryote
Definition
An orgnism whose cells have nuclei and other membrane-enclosed organelles. Includes protists, fungi, plants, and animals
Term
Protists
Definition
One of a vast kingdom of eukaryotic organisms, primarily unicellular or simple multicellular; mostly aquatic
Term
Fungi
Definition
A heterotrophic eukaryote with chitinous cell walls and a body usually in the form of a mycelium of branched, threadlike hyphae
Term
Plantae
Definition
Complex kingdom, nonvascular and vascular plants, photosynthestic, cell walls
Term
Animalia
Definition
Multicellular heterotrophs, complex tissues and organs, movement
Term
Mutation
Definition
Any change in DNA
Term
Evolution
Definition
Any cumulative genetic changes in a population from generation to generation
Term
Scinetific Method
Definition
Observe, hypothesis, experiment, conclusion, results
Term
Hypothesis
Definition
A testable statement about the nature of an observation or relationship
Term
Prediction
Definition
Generated by hypothesis which can be tested
Term
Control group
Definition
Term
Independent variable
Definition
Term
Dependent variable
Definition
Term
Endosymbiotic Theory of Cell Evolution
Definition
Term
Reductionism
Definition
Term
Emergent properties
Definition
Characteristics of an object, process, or behavior that could not be pedicted fro its component parts
Term
Inductive reasoning
Definition
The reasoning that uses specific examples to draw a general conclusion or discover a general principle
Term
Deductive reasoning
Definition
The reasoning that operates from generalities to specifics and can make relationships among data more apparent
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