12.4 Human evolution

• Biologie
• Middelbare school
• havo
• Leerjaar 3

12.4 Human evolution

Welkom!

Programma 12.4

Homework 13.4

Instruction human evolution

Homework 12.4

End of class

Big test is planned!

Homework 12.3

Questions?

1. Vul de tekst aan.

believe that 

descent from other

Such a slow

is called

................................

..........................

....................

..................

................

development

animal species

evolution

biologists

humans

What is the best description of 'Survival of the fittest'?

1. The strongest organism wins
2. The fittest organism wins
3. The best adjusted survives and reproduces
4. The best survivor is the fittest organism.

Learning objectives 12.4

You will learn what our human ancestors looked like and how they lived.

Great apes

Great apes: gibbons, orangutans, gorillas, humans, chimpanzees en bonobos

 

- thumb is opposable (can be placed opposite the fingers of the same hand)

- they lack tails

bipedelity = tweevoetigheid

cranial capacity = schedelcapaciteit

canines = hoektanden

Wat wordt er met deze afbeelding bedoeld?
(kies de beste uitleg)

1. Dat mensen van de apen afstammen
2. Dat mensen en apen gemeenschappelijke voorouders hebben.
3. Dat er door micro-evolutie nieuwe soorten zijn ontstaan
4. Dat er veel apen zijn.

Where do we come from?

Homonids= organisms that walk upright

Australopithecus  and  Homo-species

'Meet' Lucy: 'Austraopithecus afarensis' : skeleton found in 1974 in Ethiopia: lived 3.65 million years ago

Australopithecus afarensis

6,5 million years ago

Habitat:
woods and savannah (nests in trees)

Characteristics:

- gatherers

- walked upright

- skull and brain size resembled chimpanzees

- first ones with no opposable toes

Homo habilis (= the handy person)

3-1,5 million years ago

Habitat:
woods and savannah (sleep in cabins)

Characteristics:

- first ones to use stone tools

- taller and heavier

- greater brain size

 

Homo erectus (= the upright person)

3-1,5 million years ago

Habitat:
woods and savannah

Characteristics:

- taller and greater brain size than homo habillis

- hunters, fishermen, gatherers

- used tools

- first ones to use fire

- always on the move

 

Homo sapiens (= the thinking person)

Homo sapiens neanderthalensis

hunters-gatherers, became extinct 30,000 years ago.

Cro-Magnon people (Homo sapiens sapiens) successful hunters, fist farmers 

Modern human: DNA of both

Flat face, high forehead, large brain size, prominent chin, flat brow ridges

Questions?

Homework

assignments 1-10

What?	Read: 12.4 Make: assignments 1-10
How?	In your book. Independently. You may whisper.
Help?	Raise your hand. You may ask your neighbour first.
Time?	10-15 minutes
Finished?	Check your answers. Then make 11-13
Proceeds	You have finished your homework! Well done!

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