Biology: B2

Created by: Roshniraii
Created on: 14-04-14 15:10

B2/26.What is an adaptation?

An adaptation is a feature of an animal's body which helps it to live in its environment making it better able to compete for limited resouces

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B2/27.Name 3 environments that plants grow in

Northern Pine forests,Temperate forests,Deserts

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B2/28.Name the condition of the Northern Pine forests

Water is scarce as for much of the winter the water freezes in the soil and can't be absorbed by roots

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B2/29.Name the adaptation for the Northern Pine forests

-Leaves are reduced to needles to reduce the surface area this reduces water loss.-Thick wax on the surface of leaf:also reduces water loss-Pine needles have fewer pores from which water can be lost

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B2/30.Name the condition of the Temperate forests

Cold and not much light in winter;sunny and moist in summer

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B2/31.Name the adaptation for the Temperate forests

-Leaves fall from trees in autumn-there isn't much light for photosynthesis, so leaves have no function in winter-Leaves have a larger surface area to make the most of the summer sun-Wax on leaf surface is thinner as there is plenty of H2O for most

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B2/32.Name the condition of Deserts

Very little water in the sandy soil, very low rainfall. Air is hot and dry

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B2/33..Name the adaptations of Deserts

-Leaves are spines which reduces their surface area,this reduces water loss-Rounded shape reduces s.area to volume ratio-Spines are less likely to be eaten by animals-Thick wax cuticles reduces water loss-Shallow root system to cover great areas to a

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Other cards in this set

Card 2

Front

B2/27.Name 3 environments that plants grow in

Back

Northern Pine forests,Temperate forests,Deserts

Card 3

Front

B2/28.Name the condition of the Northern Pine forests

Back

Card 4

Front

B2/29.Name the adaptation for the Northern Pine forests

Back

Card 5

Front

B2/30.Name the condition of the Temperate forests

Back

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Biology: B2