7.3 How about fossils?

7.3 how about fossils?
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BiologieMiddelbare schoolhavo, vwoLeerjaar 3

This lesson contains 20 slides, with interactive quizzes, text slides and 1 video.

time-iconLesson duration is: 50 min

Items in this lesson

7.3 how about fossils?

Slide 1 - Slide

Which evidence for evolution are used?

Slide 2 - Open question

Birds and butterflies both have wings. Are these wings homologous or analogous structures?
A
Homologous
B
Analogous

Slide 3 - Quiz

HOMOLOGOUS STRUCTURES

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ANALOGOUS STRUCTURES

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Homologous & analogous structures are examples of ...
A
Direct evidence
B
Indirect evidence

Slide 6 - Quiz

Learning goals 7.3
  • You can describe what a fossil is.
  • You can explain how fossils are formed and distinguish the different steps of the process.
  • You can explain how fossils help biologists to argue how life on earth has developed.
  • You can explain what an index fossil is and how it helps palaeontologists in determining the age of a geological layer.
  • You can explain the differences between relative dating and absolute dating.

  • You can explain how fossils support the theory of evolution. 

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relative dating- index fossils
fossils are found in a specific layer, of which we know how old it is
some fossils are found a lot in a specific layer. If you find a different fossil next to it, it's probably about the same age

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absolute dating - carbon dating
use of radiation
half life of radioactive particles
C14 and C12 in the atmosphere

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Slide 19 - Video

homework
study 7.3
do the excercises 26 till30

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