lesson 2 - 4.2. & 4.3.

• Biologie
• Middelbare school
• vmbo t, mavo, havo
• Leerjaar 1

LESSON 2

• Check your homework
• 4.2. The five kingdoms
• 4.3. The kingdom of bacteria
• Do your homework

CHECK YOUR HOMEWORK

• Complete 4.1. Classification on Google Classroom.

In which kingdom do all organisms have a cell membrane?

1. Only the plants
2. Only the animals
3. Animals and plants
4. All kingdoms

In which kingdom do all organisms have a nucleus?

1. Only the animals
2. Animals and plants
3. Animals, plants and fungi
4. All kingdoms

In which kingdom do all organisms have a cell wall?

1. Only plants
2. All kingdoms
3. Plants and fungi
4. Plants, fungi and bacteria

4.3. The kingdom of bacteria

• Bacteria are microscopic, single-celled organisms.
• They have cell walls, cytoplasm and cell membranes.  

4.3. The kingdom of bacteria

• Bacteria are microscopic, single-celled organisms.
• They have cell walls, cytoplasm and cell membranes.  
• They reproduce by division. 

4.3. The kingdom of bacteria

• Bacteria are microscopic, single-celled organisms.
• They have cell walls, cytoplasm and cell membranes.  
• They reproduce by division. 
• Some bacteria are useful. They can feed on and remove dead organisms. Some species of bacteria are used in the production of yoghurt and cheese. Other are used for water purification in wastewater treatment. 

4.3. The kingdom of bacteria

• Some groups of bacteria are harmful. They can cause food poisoning and other diseases. 

HOMEWORK

Friday 22 April

Complete 4.2. + 4.3. on Google Classroom.