LACrossflatts Primary School1 Charles Darwin, aged 7yrs

LACrossflatts Primary School2 Aged 25yrs

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How long necks evolved in giraffes. What would happen to the giraffes with shorter necks? Discuss. Natural selection – the survival of the “fittest.” LA10Crossflatts Primary School

LACrossflatts Primary School11 Natural selection – the survival of the “fittest.” Why might the brown beetles have survived? Discuss. (See notes)

Natural Selection LA12Crossflatts Primary School

LA13Crossflatts Primary School Can you spot the difference? Discuss. What might they have been used for? Discuss.

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LACrossflatts Primary School16 Homologous Structures Look at the pictures. What do you think ‘homologous’ means?

LACrossflatts Primary School17 What might you infer from these homologous structures?

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LACrossflatts Primary School19 Ida goes way back to 47mya

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LACrossflatts Primary School22 Brain sizes

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Australopithecus 3.9 – 3mya LACrossflatts Primary School24

Australopithecus 3.9 – 3mya LACrossflatts Primary School25

LACrossflatts Primary School26 Lucy Ape like skull. Human –like pelvis and femur for walking upright.

LACrossflatts Primary School27 Ida

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LACrossflatts Primary School29 Monkey Darwin The Hornet, 1857

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