Adaptions And The Environment Flashcards

1
Q

adaptions

A

characteristics which increase an organisms chance of survival in its environment

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2
Q

desert animals save water and keep cool by… 4

A
  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
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3
Q

artic animals reduce heat loss by..

A
  1. small surface area compared to volume reduces heat lose
  2. well insulated hairy coats greast fur sheds water
  3. white fur camo
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4
Q

desert plants3

A

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

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5
Q

extremophiles

A

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

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6
Q

competition plants 4

A

light space water minerals from soil

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7
Q

competition animals4

A

territory food water and mates

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8
Q

causes of environmental change (living)4

A

(change in)

  1. occurence of infectious diseases
  2. number of predators
  3. number of prey/food sources
  4. number/types of competitors
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9
Q

causes of enviromental change (nonliving)3

A

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

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10
Q

how environmental change affects organisms

A

population size increase
population size decrease
population distribution change

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11
Q

living indicator of air pollution

A

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

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12
Q

living indicator of water pollution

A

mayfly larvae sensitive to concentration of dissolved oxygen in the water

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13
Q

satellites

A

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

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14
Q

automatic weather stations

A

tell us the atmospheric temperature at various locations

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