U3 B6 HV

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

B6 Bacteria

• Put your things on your desk

       Book, notebook, pencil case

• Bag on the floor
  
• Read pages 208-209

Lessongoals

• You can list the features of bacteria
• You can explain that bacteria can be both useful and harmful and you can give examples of both

Today

• Put your things on your desk

       Book, notebook, pencil case

• Bag on the floor
  
• Read pages 208-209

Wheel of homework

Connect with the lesson

Reward

Penalty

Homework: 1,2,3,5,8 pgs 204-206

You see a picture of a cell.
The cell has a cell wall
What is the right conclusion?

1. This is not a plant cell
2. This is not a fungi cell
3. This is not a cell of a bacterium
4. This is not an animal cell

You see a picture of a cell.
The cell has a no nucleus.
What is the right conclusion?

1. This is a cell of an eukaryote
2. This is a cell of a prokaryote

You see a picture of a cell.
The cell has a vacuole
What is the right conclusion?

1. This is either plant or animal
2. This is either plant or bacterium
3. This is either plant or fungi
4. This is either animal or fungi

You see a picture of a cell.
The cell has a cell membrane
What is the right conclusion?

1. This is either plant or animal
2. This is either bacterium or animal
3. This is either fungi or plant
4. This could be any organism

There are more different kingdoms than phyla

1. Right
2. Wrong

Vascular plants are a domain of kingdom plants

1. Right
2. Wrong

Some fungi make antibiotics

1. Juist
2. Onjuist

Vertebrates are bilateral symmetrical

1. Right
2. Wrong

A mushroom is used for reproduction

1. Right
2. Wrong

A snake is a mollusc

1. Right
2. Wrong

Cellcharacteristics of prokaryotes

All prokaryotes

have:

• NO nucleus
• Cell wall

Cell membrane

Cell wall

Features of bacteria

• Always unicellular
• Very small (too small for most microscopes)
• Reproduction: Cell division

Reproduction

Speed depends on:

• Temperature
• Food
• Species

s

s

Useful bacteria

Most bacteria are useful:

• Help digest food in our intestines
• Kill harmful bacteria on our skin
• Feed on dead organisms
• Can be used in making food: Yoghurt, Sauerkraut

Harmful bacteria

• Cause diseases
• Spoil food

Antibiotics (like penicillin) kill bacteria

What you should do:

• Read pages  208-209
• Do asgmt  1,2,4,5,6,8 pgs. 209-212

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

Tidy Duty

Today these people are on tidy duty

• Desks: empty and straight
• Chairs:  underneath the desks
• Floor: no rubbish