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Food webs
Eat and be eaten
Food webs and the flow of energy in ecosystems
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Slide 1:
Slide
Biologie
Middelbare school
vwo
Leerjaar 3
This lesson contains
15 slides
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interactive quizzes
and
text slides
.
Lesson duration is:
45 min
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Items in this lesson
Eat and be eaten
Food webs and the flow of energy in ecosystems
Slide 1 - Slide
Slide 2 - Slide
Slide 3 - Slide
Slide 4 - Slide
Slide 5 - Slide
Slide 6 - Slide
Slide 7 - Slide
Trophic levels
Slide 8 - Slide
What is passed on from one level of the food chain/food web to the next?
A
matter
B
energy
C
matter and energy
D
sometimes matter and sometimes energy
Slide 9 - Quiz
What is a top predator?
A
An animal who kills and eats other animals
B
An animal who kills and eats other animals very efficiently
C
An animal who kills and eats other animals and has no natural predators
D
An animal who kills and eats other animals and plants
Slide 10 - Quiz
A food web shows the flow of matter and energy between all the organisms in an ecosystem
A
True
B
False
Slide 11 - Quiz
The arrows in a food web represent the flow of matter and energy from one level to the next one. In what direction do the arrows point?
A
In the direction of the organism that's being eaten
B
In the direction of the organism doing the eating
Slide 12 - Quiz
An apex predators (e.g. Pisaster) help maintain the stability of ecosystems
A
True
B
False
Slide 13 - Quiz
Producers
Primary Consumers
(herbivores)
Secondary Consumers
Tertiary Consumers
Apex predator
D
e
c
o
m
p
o
s
e
r
s
Slide 14 - Drag question
Consumers that only eat plants
Consumers that only eat animals
Consumers that eat plants as well as animals
Organisms that break down the remains of dead organisms
Omnivores
Herbivores
Decomposers
Carnivores
Slide 15 - Drag question
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