adaptations.

Question 1

define adaptation.

Answer 1

special feature of an organism that helps it to survive the conditions in their environment.

Question 2

what are the adaptions of the artic- polar bear?

Answer 2

thick layers of blubber- insulation.
hollow hairs- trap air, keep warm.
small ears- smaller SA- less heat loss.
black skin- absorb sunlight.

Question 3

what are the adaptation of the desert- desert fox?

Answer 3

large ears- large SA- loose heat.
hairy feet- protect from hot ground.
in burrows in day- to keep cool.
mainly hunts at night- it’s cooler.

Question 4

what are adaptations of the desert- cacti?

Answer 4

spikey leaves- reduces water loss.
spikes and thorns- protect from animals.
long, shallow roots- spread over a wide area.

Question 5

what are the adaptations of the desert- camel?

Answer 5

close nostrils- stop sand going up them.
long eyelashes- protect from blowing sand.
hump(s)- store fat- in case of no food.
long large intestine- reabsorb all water from food.

Question 6

what are the different of adaptations?

Answer 6

behavioural, structural and functional.

Question 7

define structural adaptations.

Answer 7

features of an organisms body structure eg: shape, colour, size.

Question 8

define functional adaptations.

Answer 8

go on inside an organisms body, can be related to body processes eg: reproduction or metabolism, hibernation, concentred urine in camels.

Question 9

define behaviour adaptions.

Answer 9

way organisms behave eg: migration, hunting at night.

Question 10

what are extremophiles?

Answer 10

micro-organisms eg: bacteria that are adapted to live in extreme conditions.

Question 11

where are some places that extremophiles could be found?

Answer 11

hot volcanic vents.
highly salty lakes.
high pressure on sea bed.
highly acidic/ alkaline environments.