1.5 How about fossils?

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 3

How about fossils?

HOMOLOGOUS STRUCTURES

ANALOGOUS STRUCTURES

Learning goals 1.5

• 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.

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

Carbon dating (no test subject!)

use of radiation

half life of radioactive particles

C14 and C12 in the atmosphere

Homework

Finish 1.1, 1.2 and 1.3!
Are these done: Do some work in advance:
1.4 1 t/m 10

1.51 t/m 5