adaptation

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  • Created by: nina
  • Created on: 27-05-13 16:38
what do organisms need to survive and reproduce?
supply of materials from their surroundings and other organisms
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what are abiotic factors? give some examples
non living, such as the climate, light, terrain, water
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what are biotic factors? give some examples
Living, such as food, mating, disease, human activity
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what do animals often compete with each other for?
food, water, territory, mates
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what do plants often compete with each other for?
water, space, minerals, light
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what surface area to volume ratio do animals in cold environments have?
small surface area to volume
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what are some of the ways animals in cold climates keep warm?
thick layers of fat and fur, small ears
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why do animals in hot climates have a large surface area to volume ratio?
to release more heat
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what are some of the ways animals in hot climates survive?
little fur and fat, last a while without water, nocturnal
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how do cacti survive in the desert?
small leaves and spines, store water in stems, extensive root systems
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what is the name for organisms living in extreme conditions?
Extremophiles
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what are defence mechanisms? give some examples
protection for organisms e.g. camouflage, thorns, poisons, warning colours/smells
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what affects the distribution of organisms?
changes in the environment
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what do we call a species that is sensitive to pollution?
pollution indicator
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what type of plant is used to detect sulphur dioxide in the air?
lichens
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what sort of air do bushy lichens need?
completely clean air
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what sort of air can leafy lichens survive in?
clean with a bit of pollution
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what sort of air can crusty lichens survive in?
polluted
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if no lichens are growing, what does it tell us about the air?
it's heavily polluted
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what can be used as water pollution indicators?
invertebrates
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lots of species will be able to survive in water sort of stream?
clean, well-oxygenated
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what does it tell us if a low number of species are living in a stream?
it's polluted
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list some equipment used to measure environmental change
oxygen probes, rain gauge, thermometer
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Other cards in this set

Card 2

Front

what are abiotic factors? give some examples

Back

non living, such as the climate, light, terrain, water

Card 3

Front

what are biotic factors? give some examples

Back

Preview of the front of card 3

Card 4

Front

what do animals often compete with each other for?

Back

Preview of the front of card 4

Card 5

Front

what do plants often compete with each other for?

Back

Preview of the front of card 5
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Swallowtail

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Try using this set of three resources (under multi-tools heading) to test understanding of adaptation which is a topic found in all GSCE biology specifications. Some of three word answers in the crossword are challenging unless you have tackled the authors flash cards first. 

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