U3 B2 HV

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 1

B2 Similarity & kinship

• Put your things on your desk

       Book, notebook, pencil case

• Bag on the floor
  
• Read pages 176-178

Lessongoals

• You can distinguish between species and breeds
• You can explain how the classification of organisms depends on similarity and kinship

Today

• Recap 
  
• Species and Breeds
• Kinship
• Time for hw
  
• End

You study a cell with a microscope. You see a cell wall. What is the right conclusion?

1. This is the cell of either plant or fungi
2. This is NOT the cell of an animal
3. This is the cell of either plant or animal
4. This is NOT the cell of a bacteria

You study a cell which has a nucleus. Which conclusion is most correct?

1. This cell belongs to a plant or fungi
2. This cell belongs to an animal or plant
3. This cell belongs to a eukaryote
4. This cell belongs to a prokaryote

Eymen says: Bacteria are a group without a nucleus
Noor says: Plants are the only group with a cell membrane
Gwen says: All organisms have a nucleus

Who are/is right?

1. Only Eymen
2. Only Gwen
3. Noor en Gwen
4. Eymen and Noor

Which order of groups is correct?
(Big to small)

1. Phylum - Class - family
2. Order - species - genus
3. Order - family - genus
4. Phylum - order - family

What breeds of dog can you name?

Some organisms look alike, but don't belong to the same species.

Some organisms don't look alike, but do belong to the same species.

Species and breed

• Organisms of the same species can reproduce and their offspring is fertile
• Different breeds of a species can produce fertile offspring.
• Sometimes different species can reproduce, but their  offspring is infertile

Evolution

Life develops, new species develop

• Variation
• Selection
• Extinction

Kinship

Animals with a close common ancestor 

are closely related 

• More closely related means 

       more similarities in DNA                                             overeenkomst in DNA

common ancestor of Tuna, salmander, turtles and leopards

Common ancestor of all these groups

Common ancestor of turtles and leopard

What you should do:

• Read pages  176-178
• Do asgmt  1-8, 4c pgs. 

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zs = Working in Silence

• No asking questions
• Silent, don't disturb anyone
  
• Stay at your  desk

What you should do:

• Read pages 176-178
  
• Do asgmt 1-8, 4c pgs. 

Done with the above?

• Work on the next chapter(s)
• Learn for the test 
• Make other homework
• Read a book

Zw = Working with whispering

• Teacher is available for questions
• Only whisper with the student next to you
• Stay at your  desk