2.2 Bacteria

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

What did we discuss last lesson?

Which of the following names is written in the right way according to the binomial system?

1. Agaricus bisporus
2. monstera deliciosa
3. Amoeba Proteus
4. escherichia Coli

Explain why scientists use the binomial system

TRUE OR FALSE? Two organisms that belong to the same family, always belong to the same kingdom.

1. True
2. False

TRUE OR FALSE? Two organisms that belong to the same class, always belong to the same species.

1. True
2. False

Drag the words in the correct order from largest (TOP) to smallest (BOTTOM) 

Kingdom

Class

Family

Order

Species

Genus

Phylum

What do you know / think about when
you hear the word 'bacteria'?

What are bacteria?

- unicellular organisms

-reproduction through cell division

- consist of cell wall and cell membrane (but do have a tiny piece of circular DNA in the cytoplasm)

-live everywhere

-obtain food from other organisms

Which shapes do bacteria have?

How do we see bacteria?

Light microscope vs electron microscope

Building blocks of a bacterium

Living as a bacterium

Bacteria reproduce through cell division

Bacteria are everywhere

The good ones.....

- are the bacteria that help us digest food or protect us from harmful bacteria

- help make food such as sauerkraut, yoghurt

- are the cleaning crew in nature; they break down dead organisms

...and the bad ones

- make us sick

- are called pathogens

- can be cured with antibiotics

TODAY. 

Work on the learning goals for 2.2. 

You can use the table from AKU!