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22 Cards in this Set
- Front
- Back
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Auxin
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a plant hormone that is produced in the tip of the coleoptile and causes growth of cells in the polypeptite
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Behaviour
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activities that animals perform in responce to internal and external stimuli
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circadian rythm
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refers to a pattern of activity following a 24-hour cycle
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competition
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interaction between individuals of the same or different species that use one or more of the same resources in the same ecosystem
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ethology
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study of animal behaviour
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geotropism
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responce of a shoot or root to gravity
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habituation
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type of learned behaviour in which the responce to a repeated stimulus gradually decreases
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imprinting
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form of rapid and irreversable learning occuring during the early stage of an animals life
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immigration
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when individuals arrive in a new environment
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hormones
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in animals, chemicals produced in endocrine glands, that are released into and transported via the bloodstream to other parts of the body where they act
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phototropism
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movement of a plant in responce to light
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pheromones
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chemicals secreted by some animals to communicate with other members of the species; chemical messengers
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photoperiodism
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responce of plants to particular periods of light and dark in terms of flowering or germination of seeds
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releasers
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when there is a stimulus and the hormones allow the chemicals to be released
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transmitters
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takes messages around the body
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coleoptile
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growing point at the tip of a shoot
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thigmotropism
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a plant responce to contact with a solid object
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demersal
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describes eggs that are laid in rock crevices
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polygyny
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a kind of polygamy where the male has multiple female partners during a breeding season
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polyandry
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a kind of polygamy where one female partner has multiple male partners during the breeding season
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monogamy
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situation in which animals form a pair bond and one male mates with one female for one or more breeding seasons or for life
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monogyny
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a male mating with one female, but the female mates with other males during a breeding season
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