adaptation for cold environments

Question 1

what is an exotherm

Answer 1

warm blooded animal

Question 2

what is an endotherm

Answer 2

cold blooded animal

Question 3

what are some behavioural adaptation for animals in cold environments

Answer 3

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

Question 4

what are some physiological adaptations for animals in cold environments

Answer 4

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

Question 5

what is countercurrent circulation

Answer 5

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

Question 6

what are structural adaptions for animals in cold environments

Answer 6

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

Question 7

what is an endothermic metabolism

Answer 7

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

Question 8

physiological plant adaptations in cold environments

Answer 8

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

Question 9

heliotrophic

Answer 9

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

Question 10

perennial

Answer 10

a plant living longer than a yeear

Question 11

deciduous

Answer 11

a plant that loses leaves in the winter