1TTO continue B3: stems

Lesson plan 29-01
-Questions about stems previous lesson.
-Discuss b3 stems further
-Work on exercises basics 3: 8, 9, 11

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Slide 1: Slide
BiologieMiddelbare schoolvwoLeerjaar 1

This lesson contains 15 slides, with interactive quizzes, text slides and 2 videos.

time-iconLesson duration is: 45 min

Items in this lesson

Lesson plan 29-01
-Questions about stems previous lesson.
-Discuss b3 stems further
-Work on exercises basics 3: 8, 9, 11

Slide 1 - Slide

State a function of stems:

Slide 2 - Open question

Plants that don't need water to stay firm/upright are called:
A
Woody plants
B
Fat plants (succulent)
C
Cacti
D
Herbaceous plants

Slide 3 - Quiz

Stems can do photosynthesis
Yes
Only if they're green
No

Slide 4 - Poll

B3: Stems

-Terminal bud (eindknop)
-Lateral bud (okselknop)
-Axil (bladoksel)
-Internodes(leden)
-Nodes(knopen)


Slide 5 - Slide

B3: Stems

-Buds: 
-Every year a new part of stem(internode) grows from a bud.
-You can count internodes to learn the age of a stem.


Slide 6 - Slide

B3: Stems
Woody and herbaceous plants:
-Woody plants make wood in the cell wall to stay firm.

-Herbaceous plants use water in vacuoles to stay firm.

Slide 7 - Slide

B3: Stems
Trees:-Have annual rings (jaarringen).
-Annual rings have a light and a dark part.
Dark: made in spring (early wood)
Light: Made in summer (late wood)

Slide 8 - Slide

B3: Stems
Annual rings:  information about the (changing) environment of the plant.
-Fire/Damage
-Amount of rain: Drought(droogte) or lots of rain.

Slide 9 - Slide

B3: Stems
-Stems:
-Transport water and nutrients around the organs of a plants.
-Hold up leaves, flowers and fruit.
-Have vascular bundles  trough stems, roots and leaves.

Slide 10 - Slide

Slide 11 - Video

Slide 12 - Video

Stems can hold up these organs:
A
Other stems.
B
Flowers.
C
Fruit.
D
All of the above.

Slide 13 - Quiz

What has happened here? (take a good look at the background)

Slide 14 - Open question

Exercises basics 3: stems
-Do assignments 8, 9, 11

Slide 15 - Slide