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U3 B5+6 HV
B5 Fungi
Put your
things
on your
desk
Book, notebook, pencil case
Bag on the
floor
Read pages 201-203
timer
3:00
Lessongoals
You can list features of fungi.
You can explain that fungi can be both useful and harmful and you can give examples of both
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
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Slide 1:
Diapositive
Biologie
Middelbare school
havo, vwo
Leerjaar 1
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B5 Fungi
Put your
things
on your
desk
Book, notebook, pencil case
Bag on the
floor
Read pages 201-203
timer
3:00
Lessongoals
You can list features of fungi.
You can explain that fungi can be both useful and harmful and you can give examples of both
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
Slide 1 - Diapositive
What are we going to do?
Homework
Recap
Fungi and bacteria
Time for homework
End
Slide 2 - Diapositive
Homework
Read: U3 - Bs 5 - Fungi
Make: U3 - Bs 5 - Fungi assignment 4
Slide 3 - Diapositive
You see a microscopic picture of a cell. What part can you best look for if you want to check if the organism is a bacterium?
A
Cell wall
B
Plastid
C
Nucleus
D
Vacuole
Slide 4 - Quiz
You see 2 flies with slightly different colors. You want to test if they belong to the same species. How could you test this?
Slide 5 - Question ouverte
What part of a cell is found in the least number of domains and kingdoms
A
Cell wall
B
Plastid
C
Nucleus
D
Vacuole
Slide 6 - Quiz
List the domain, kingdom and phylum a frog belongs to.
Slide 7 - Question ouverte
In which of these groups will you find the most different organisms?
A
Kingdom
B
Phylum
C
Order
D
Species
Slide 8 - Quiz
All vertebrates have an ... skeleton and are ... symmetrical
A
External and bilateral
B
Internal and bilateral
C
External and radial
D
Internal and radial
Slide 9 - Quiz
Fungi cells
Nucleus
Cell wall
Slide 10 - Diapositive
Slide 11 - Vidéo
Unicellular fungi
Reproduction by
budding
cells divide by forming buds
Example: yeast
Slide 12 - Diapositive
Multicellular fungi
Reproduction by
spores
- Toadstools
- at the end of
hyphae
Examples
Slide 13 - Diapositive
Useful & harmful
Feed on dead bodies of other organisms
Make penicillin
Biotechnology : bread, beer, cheese, etc.
Cause fungal infections
Spoil food
Slide 14 - Diapositive
Bacteria are everywhere
Slide 15 - Diapositive
Cell characteristics of prokaryotes
All prokaryotes
(bacteria and
archaea)
have:
NO
nucleus
Cell wall
Cell membrane
Cell wall
Slide 16 - Diapositive
Features of bacteria
Always unicellular
Very small (too small for most microscopes)
Reproduction: Cell division
Slide 17 - Diapositive
Reproduction
Speed depends on:
Temperature
Food
Species
s
s
Slide 18 - Diapositive
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
Slide 19 - Diapositive
Harmful bacteria
Cause diseases
Spoil food
Antibiotics (like penicillin) kill bacteria
Slide 20 - Diapositive
What you should do:
Read Bs 5 (fungi)
Do asgmt 8 and 9
Read Bs 6 (bacteria)
Do asgmt 4
Done with the above?
Work on the next chapter(s)
Learn for the test (in two weeks)
Make other homework
Read a book
Zs
= Working in Silence
No
asking questions
Silent,
don't disturb anyone
Stay at your
desk
timer
6:00
Slide 21 - Diapositive
What you should do:
Read Bs 5 (fungi)
Do asgmt 8 and 9
Read Bs 6 (bacteria)
Do asgmt 4
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
Slide 22 - Diapositive
Slide 23 - Vidéo
Slide 24 - Vidéo
Tidy Duty
Today these people are on tidy duty
Desks: empty and straight
Chairs: underneath the desks
Floor: no rubbish
Slide 25 - Diapositive
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