Core Biology - Competition and Adaption AQA

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  • Created by: Krupa
  • Created on: 30-05-13 14:22
Preview of Core Biology - Competition and Adaption AQA

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COMPETITION AND ADAPTION
Plants compete for:
Light (photosynthesis)
Water
Space
Nutrients
Animals compete for:
Food
Territory
Mates
Extremophiles = tolerant to salt levels, heat and pressure.
COLD AREAS
Thick fur or thick layer of fat = good insulator
Camouflage can also be used
SURFACE AREA REDUCED TO GET MORE HEAT ­ SMALL EARS
HOT AREAS
SURFACE AREA INCREASED TO INCREASE HEAT LOSS ­ LARGE EARS
Cactus
Thick stem = store water
Thin leaves = low surface area = less likely to lose water
Large extensive roots near the surface = evaporate/absorbed water quickly
Hiding from predator by:
Camouflage to hide
Mimicry to confuse
Thorns to hurt
Poison to give a bad taste
Long limbs to outrun
Large ears to listen carefully

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