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Life Characteristics

TermDefinition
energy needed to carry out daily functions
homeostasis ability to maintain a stable internal environment despite the external conditions
autotroph makes their own food
cell basic unit of structure and function
adaptation a feature of an organism that allows them to most likely survive and reproduce becoming better suited for their environment
reproduction making more of own kind by passing on genetic information
asexual reproduction requires 1 parents; produces identical offsprings
sexual reproduction requires 2 parents to combine genetic information; produces genetically different offsprings
biology study of life
DNA made up of nucleotides and provides hereditary information
heterotroph cannot make their own food; must take in food to meet energy needs
evolution describes how life has changed over time; process of different kinds of living organisms are thought to have developed and diversified from earlier forms during the history or the earth
metabolism sum of all chemical processes that occur in an organism in order to maintain life
growth occurs from cell division--formation of 2 cells from an existing cell to increase in physical size
development process by which an adult organism arises
reproduction not essential for an individual organism; but essential for the continuation of species
organization that structure or arrangement of related or connected items; cells, tissues, organs, organ systems describes
multicellular containing many cells
response an reaction to a stimulus
stimuli a thing or event that causes a specific reaction
organism an individual animal, plant, or single celled life form
species a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
cell division the division of a cell into two daughter cells with the same genetic material
unicellular characterized by the formation or presence of a single cell
multicellular having or consisting of many cells
evolve develop over successive generations as a result of natural selection
natural selection the process whereby organisms better adapted to their environment tend to survive and produce more offspring
differentiation the normal process by which a less specialized cell undergoes maturation to become more distinct in form and function
ecology the branch of biology that deals with the relations of organisms to one another and to their physical surroundings
Created by: tracey_elder
 

 



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