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Adaptations

EOCT Practice

TermDefinition
phototropism plants grow toward light
thigmotropism plants coil around objects they touch
hydrotropism roots of plants grow toward water
gravitropism roots of plants grow downward
symbiosis relationship between two species
commensalism one species benefits, other is unaffected
mutualism both species benefit from a relationship
parasitism one species benefits, other is harmed
endosymbiosis one species lives inside of the other
hibernation period of decreased activity and body temperature
dormancy state of inactivity when organism is not growing
migration relatively long-distance movement on a seasonal basis
territory geographical area defended by an organism necessary for food, water, shelter, mates
mimicry similarity of one species to another which protects one or both
bioluminescence production and emission of light by a living organism
auxins stimulates lenthening of cells for growth, triggered by light, results in phototropism
gibberelins stimulates giant growth
ethylene causes ripening
cytokinins stimulates cytokinesis and growth of side branches
estivation reduction in metabolism in response to heat
imprinting memory of birth association
cryptic coloration color matches environment; example = chameleon
countershading light on bottom, dark on top; example = fish
disruptive coloration patterns like stripes that help animals blend in to group or environment; example = zebras
abscisic acid cuts growth at end of growing season
habituation organism ignores repeated stimulation; baby sleeps while dog is barking
Created by: mrsstevens
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