Adaptions And The Environment

Question 1

adaptions

Answer 1

characteristics which increase an organisms chance of survival in its environment

Question 2

desert animals save water and keep cool by… 4

Answer 2

1. large surface area compared tovolume let’s them lose more body heat
2. lose less water my producing small concentrated urine and little sweat
3. thin layersof body fat and thin insulating coats
4. sandy colour

Question 3

artic animals reduce heat loss by..

Answer 3

1. small surface area compared to volume reduces heat lose
2. well insulated hairy coats greast fur sheds water
3. white fur camo

Question 4

desert plants3

Answer 4

plants lose water vapour from thier leaves so some dplants have spines
water storage tissue
shallow but extensive roots

Question 5

extremophiles

Answer 5

bacteria adapted to live in hot volcanic vents or very salty lakes

Question 6

competition plants 4

Answer 6

light space water minerals from soil

Question 7

competition animals4

Answer 7

territory food water and mates

Question 8

causes of environmental change (living)4

Answer 8

(change in)

1. occurence of infectious diseases
2. number of predators
3. number of prey/food sources
4. number/types of competitors

Question 9

causes of enviromental change (nonliving)3

Answer 9

change in..
average temp
average rainfall
levelcof air or water pollution

Question 10

how environmental change affects organisms

Answer 10

population size increase
population size decrease
population distribution change

Question 11

living indicator of air pollution

Answer 11

lichen are sensitive to the concentration of sulfur dioxide in the air

Question 12

living indicator of water pollution

Answer 12

mayfly larvae sensitive to concentration of dissolved oxygen in the water

Question 13

satellites

Answer 13

non living indicator used to measure temperature of sea surface and the amount of snow cover

Question 14

automatic weather stations

Answer 14

tell us the atmospheric temperature at various locations