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6.2 Comparing populations
6
.2 Comparing populations
p. 154
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Biologie
9th Grade
This lesson contains
58 slides
, with
interactive quizzes
,
text slides
and
3 videos
.
Lesson duration is:
45 min
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6
.2 Comparing populations
p. 154
Slide 1 - Slide
Slide 2 - Slide
Describe how this affects both populations (in-/decrease) and why.
Slide 3 - Open question
Red vs. Grey Squirrels
Slide 4 - Slide
Slide 5 - Slide
Describe how this affects both populations (in-/decrease) and why.
Slide 6 - Open question
Milkweed vs. Butterflies
Slide 7 - Slide
Homework answers (6 - 14)
Slide 8 - Slide
Slide 9 - Slide
Slide 10 - Slide
Slide 11 - Slide
4
Slide 12 - Video
02:17
Which one is correct?
(decomposers = fungi / bacteria)
A
Primary consumer - producer - secondary consumer - decomposer
B
Producer - primary consumer - secondary consumer - decomposer
C
Decomposer - primary consumer - secondary consumer - producer
D
Producer - decomposer - primary consumer - secondary consumer
Slide 13 - Quiz
02:37
Which one is the producer?
A
the tree
B
the acorns
C
the rat
D
the snake
Slide 14 - Quiz
03:08
Which one is true?
A
A food chain is made from many food webs
B
A food web is made from many food chains
Slide 15 - Quiz
03:19
timer
0:20
what does your body
need energy for?
Slide 16 - Mind map
Slide 17 - Slide
Slide 18 - Slide
timer
1:00
Slide 19 - Slide
How many food chains did you see?
Slide 20 - Open question
timer
1:00
Slide 21 - Slide
The longest food chain:
Slide 22 - Open question
Workbook page 185
questions 15 a and b
Make a photo and
upload in the next screen!
timer
5:00
Slide 23 - Slide
Slide 24 - Slide
Your answers to Q 15 a and b:
Slide 25 - Open question
Slide 26 - Video
Slide 27 - Slide
Practise questions!
Slide 28 - Slide
Which animal(s) would be MOST affected if all the grass died?
hawk
sparrow
caterpillar
grass
fox
mouse
berries
timer
1:00
Slide 29 - Slide
Which animal(s) would be
MOST affected if all the grass died?
Slide 30 - Open question
What would happen to all the hawks if the number of foxes would decrease?
hawk
sparrow
caterpillar
grass
fox
mouse
berries
timer
1:00
Slide 31 - Slide
What would happen to all the hawks
if the number of foxes would decrease?
Slide 32 - Open question
Mercury in the sea = kwik in de zee
Mercury used to be found in pesticides and paint for boats. Mercury is poisonous and damages the nervous system and reproductive system in mammals.
Look at the food chain and explain why mercury could be a problem for human health.
Slide 33 - Slide
Explain why mercury could be
a problem for human health.
timer
1:00
Slide 34 - Open question
Slide 35 - Slide
Slide 36 - Slide
4
Slide 37 - Video
00:27
What are 'trophic levels?'
A
Food chains
B
Food pyramids
C
Horizontals in a food pyramid
D
Food webs
Slide 38 - Quiz
01:06
What does the width of the bars represent?
A
How much the organisms in it eat
B
How many organisms are in it
C
How much energy the organisms in it have
D
How many organisms are eaten by the next level
Slide 39 - Quiz
01:27
What does each trophic level in a pyramid of biomass represent?
A
How many organisms are in it
B
The combined weight of the organisms in it
C
How heavy the food is that the orhganisms eat
D
How many food items the organisms represent
Slide 40 - Quiz
03:00
What does the width of a trophic level in a pyramid of biomass represent?
Slide 41 - Open question
Slide 42 - Slide
Slide 43 - Slide
Slide 44 - Slide
Slide 45 - Slide
Slide 46 - Slide
Slide 47 - Slide
Slide 48 - Slide
Slide 49 - Slide
Slide 50 - Slide
Workbook page 187
questions 18 - 22
What you do not finish
now will be homework.
timer
5:00
Slide 51 - Slide
Slide 52 - Slide
Slide 53 - Slide
Slide 54 - Slide
Slide 55 - Slide
Slide 56 - Slide
Slide 57 - Slide
Q's 23 (2) - 25
Slide 58 - Slide
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