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7th Ch5 Intro to Life

a data set by timmiguez
created October 27, 2016
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FAMILY TREE
TermDefinition
organismAn individual living thing
cellBasic unit of life that carry on life functions
unicellularone cell organisms
multicellularorganism composed of more than one cell
metabolismall of the chemical reactions needed for life
stimulusanything in an organism's surroundings that causes the organism to respond. light, noise, temp
responseany action or behavioral change caused by a stimulus
developmentleads to a more complex organism
asexual reproductioninvolves one parent one set of DNA and results in identical offspring
sexual reproductioninvolves two parents two sets of DNA
spontaneous generationthe erroneous idea that living things can originate from nonliving things
autotrophorganisms that can create food from raw materials such as H2O and CO2. Producers
heterotrophorganisms that depend on other organisms for food. Consumers
homeostasismaintaining stable internal conditions. temp - water level
classificationthe process of grouping things based on similarities
taxonomythe study of how organisms are classified
binomial nomenclaturetwo part naming system.
genusA group of similar species
eukaryoteA cell that contains a nucleus and membrane bound organelles
Charles DarwinEnglish naturalist. Voyage on the HMS Beagle.
Galapagos Islandsislands off the coast of Ecuador where Darwin found evidence for natural selection
naturalista scientist who studies all aspects of nature
evolutionthe process of organisms changing over time
convergent evolutionProcess by which unrelated organisms independently evolve similarities when adapting to similar environments
vestigial structure or organa structure that once had a function but does not have a modern purpose. coccyx- wisdom teeth
homologous structureStructures in different species that are similar because of common ancestry.
adaptiona positive variation. Allows an organism to survive longer
variationAny difference between individuals of the same species.
natural selectionindividuals that are better adapted to their environment are more likely to survive and reproduce thus passing those genes to their offspring
kiloone thousand
dec10
autoself
heteroother
gento create
rhinnose
metaall
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