BS5.5

Learning goals

You can explain how fossils arose.

You can explain that species are related if they have a common ancestor.

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BiologieMiddelbare schoolvwoLeerjaar 3

This lesson contains 17 slides, with text slides and 2 videos.

Lesson duration is: 45 min

Items in this lesson

Learning goals

You can explain how fossils arose.

You can explain that species are related if they have a common ancestor.

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Which species is this?

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Which species is this?

Tenrek

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Hedgehog (=egel)

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This is why we look at whether species can reproduce and not at similarities/differences in phenotype!

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BS5.5

The history of life on earth

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How do we know what former species (that are extinct) looked like?

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When do you think animals arose?

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Kinship

Species that have a common ancestor are related – they have a degree of kinship. The more closely the DNA of the species matches, the more closely these species are related.

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Using google: What is a rudimentary organ?

(+ what is an example?)

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Get to work

BS5.5 ex. 2c, 3, 5 to 7

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BS5.5

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