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Evolution
Learning partners:
What do we mean by evolution?
Evolution – the changes that are made to an animal or plant over time.
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What is an environment?
Surroundings, usually where someone or thing lives.
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Lo: to show how animals have evolved to suit their
environment.Yesterday we learnt that animals have evolved to suit the environment that they live in.
Today we are going to look at animals that we know and see what physical features they have that suit their environment.
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Learning partners.
How have they evolved to live in the cold environment?
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Thick warm, white fur coatKeeps the bear warm in below
freezing temperatures and allows him to camouflage in the snow.
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Thick warm, white fur coatKeeps the bear warm in below
freezing temperatures and allows him to camouflage in the snow.
Large PawsProduce an oil that stops his feet freezing
on the snow.
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Thick warm, white fur coatKeeps the bear warm in below
freezing temperatures and allows him to camouflage in the snow.
Large PawsProduce an oil that stops his feet freezing
on the snow.
Little eyesKeeps cold
and icy snowblizzards out of theireyes.
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Learning partners.How have they evolved to live in the desert environment?
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Big, flat feetEnable camels to walk on the sand
without sinking into it.
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Big, flat feetEnable camels to walk on the sand
without sinking into it.
Humps
Camel can store a
supply of water
so it doesn’t have
to stop to drink
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Big, flat feetEnable camels to walk on the sand
without sinking into it.
Humps
Camel can store a
supply of water
so it doesn’t have
to stop to drink
Long eyelashesKeeps sand from storms
and glaring sun fromcamels eyes.
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Big, flat feetEnable camels to walk on the sand
without sinking into it.
Humps
Camel can store a
supply of water
so it doesn’t have
to stop to drink
Long eyelashesKeeps sand from storms
and glaring sun fromcamels eyes.
Long Legs
Help to move across
the dessert quicker
and keeps the sand
off the camels
stomach.
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Your task.You have an animal on your sheet you need to show the features it has that suits it to its environment – Just like we have just done.
Steps to success
•Identify the physical feature.
• Write how the feature helps it to survive.
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Lo: to design a creature which has evolved to suit
its environment.
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What physical features could your animal have that suits it’s environment?
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Task
On your desk you have a sheet. Your task is to use your knowledge of evolution and how animals have features to suit their environment to design your own.
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Steps to success• decide on an environment
Give your animal a feature that
• helps it to catch it’s food.
• helps it to move.
• protects it.