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Biology 1
Biology 1
31
Biology
Undergraduate 1
09/30/2010

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Term
Levels of organization
Definition
Cell, atoms, molecules, tissue, organs, organ system, organism, population, community, ecosystem, biosphere
Term
Cell
Definition
Basic unit of structure and function of all living things
Term
Atoms
Definition
Constitute basic building blocks of matter known as elements (electrons, protons, neutrons
Term
Molecules
Definition
Combine atoms that are the same or different
Term
Tissue
Definition
Group of cells with common structure and function
Term
Organs
Definition
Composed of tissues functioning together for a specific task
Term
Organ system
Definition
Composed of several organs working together
Term
Organism
Definition
An individual, complex individuals
Term
Population
Definition
Organisms of the same species in a particular area
Term
Community
Definition
Interacting populations
Term
Ecosystem
Definition
A community plus the physical environment
Term
Biosphere
Definition
Regions of the earths crust, waters, and atmosphere inhabited by living things
Term
Hemostasis
Definition
An organism maintain a state of biological balance
Term
Energy
Definition
Is the capacity to work
Term
Metabolism
Definition
Encompasses all the chemical reactions that occur in a cell
Term
Metabolism
Definition
Encompasses all the chemical reactions that occur in a cell
Term
Photosynthesis
Definition
Plants and certain other organisms are able to capture solar energy and transform it into chemical energy of organic nutrient molecules
Term
Reproduce
Definition
Make another organism like itself
Term
Genes
Definition
The instructions or blueprint for an organism inherited from it's parents
Term
Adaption
Definition
Are modifications that make organisms suited to their way of life
Term
Evolution
Definition
The process by which a species changes through time
Term
Species
Definition
A group of similarly constructed organisms that successfully interbreed
Term
Natural selection
Definition
Life forms change over time
Term
Taxonomy
Definition
Is the discipline of grouping organisms according to their evolutionary history and relationships
Term
Taxa or general classification categories
Definition
Species, genus, family, order, class, phylum, kingdom,and domain
Term
Domains
Definition
Bacteria, Archaea, and Eukarya
Term
Microscopic unicellular prokaryotes which lack membrane-bounded nucleus
Definition
Bacteria and Archaea
Term
Has membrane-bounded nucleus
Definition
Eukaryotes of the domain Eukarya
Term
Kingdoms - don't have now
Definition
Bacteria and Archaea
Term
Kingdoms of Eukarya
Definition
Protista, Fungi, Plantae, and Animalia
Term
Scientific Names
Definition
binomial nomenclature - two part name
genus and specific epithet of a species
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