adaptation for cold environments Flashcards

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1
Q

what is an exotherm

A

warm blooded animal

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2
Q

what is an endotherm

A

cold blooded animal

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3
Q

what are some behavioural adaptation for animals in cold environments

A

huddling, migration/moving inland, digging dens/hiding underground, moving in and out of sunlight

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4
Q

what are some physiological adaptations for animals in cold environments

A

changing colour to absorb more heat, vasocontriction of peripheral blood vessels, conter-current circulation, topor and antifreeze proteins

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5
Q

what is countercurrent circulation

A

it enables fluids at differrent temperatures to exchange their heat and prevent heat loss

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6
Q

what are structural adaptions for animals in cold environments

A

thick layer of fat/fur, black skin, insulation techniques, decreased SA:V

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7
Q

what is an endothermic metabolism

A

when an animal can generate large amounts of heat within the body to maintain a temperature that is metabolically favourable

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8
Q

physiological plant adaptations in cold environments

A

low-growing form, deciduous, perennial, heliotrophic, rapid growth and seed production

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9
Q

heliotrophic

A

of flowers turning to follow the passage of the sun in the sky

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10
Q

perennial

A

a plant living longer than a yeear

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11
Q

deciduous

A

a plant that loses leaves in the winter

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