6.4 & 6.5 questions

Ecologie

Bs.4 Pyramids
Bs. 5 Populations
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Slide 1: Tekstslide
BiologieMiddelbare schoolhavo, vwoLeerjaar 2,3

In deze les zitten 21 slides, met interactieve quizzen en tekstslides.

Onderdelen in deze les

Ecologie

Bs.4 Pyramids
Bs. 5 Populations

Slide 1 - Tekstslide

Today
quiz questions: revision
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quiz questions: learnt


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Slide 2 - Tekstslide



Wat are reducers?
A
Animals
B
Humans
C
Plants
D
Bacteria/fungi

Slide 3 - Quizvraag

Which food chain is written correctly?
A
1
B
2
C
3
D
4

Slide 4 - Quizvraag

Which can be at the end of a food chain?
A
plants
B
animal
C
Grass
D
aphid

Slide 5 - Quizvraag

Do scavengers belong to the producers, consumers or decomposers?
A
producenten
B
consumenten
C
reducenten

Slide 6 - Quizvraag

Photosynthesis
vrespiration
glucose
Energy rich compounds in plants
energy rich compounds  in bacteria and fungi
eEnergy rich compounds in animals
respiration
respiration

Slide 7 - Sleepvraag

Lets's discuss pyramids and populatios
6.4 and 6.5

Slide 8 - Tekstslide

Which is the pyramid of biomass?
a
b
A
a
B
b

Slide 9 - Quizvraag

Pyramid of numbers
Pyramid of biomass

Slide 10 - Sleepvraag

In een pyramid of biomass increases the biomass at every next level.
A
correct
B
incorrect

Slide 11 - Quizvraag

a pyramid of numbers has always the shape of a pyramid
A
correct
B
incorrect

Slide 12 - Quizvraag


This is a pyramid of ...
A
numbers
B
biomass
C
it is not a pyramid
D
it can be both a pyramid of numbers and of biomass

Slide 13 - Quizvraag

What does the pyramid of biomass show?
A
The biomass of one animal
B
The biomass in a link in the food chain
C
The number of organisms in a link in the food chain

Slide 14 - Quizvraag

What type of pyramid does the picture show?
A
Pyramid of numbers
B
Pyramid of biomass
C
You can't tell

Slide 15 - Quizvraag


Explain why the world food problem would be solved if everyone would become a vegetarian

Slide 16 - Open vraag

What is a population?
A
An organism
B
a group of organisms of the same species, who reproduce together
C
All organisms in an area
D
All biotic and abiotic factors in an area

Slide 17 - Quizvraag

Why is accumulation dangerous?
A
because animals eat more than they can digest
B
because plants can't do any photosynthesis
C
because in the top of a food pyramid chemicals built up to lethal levels
D
it causes an increase of biomass at each level of the food pyramid

Slide 18 - Quizvraag

Why is mass lost at every lev
A
if the population size is always the same
B
if the population size een bigger than usual
C
When the population size fluctuates around a a certain size
D
if the animals in a population all have the same weight

Slide 19 - Quizvraag

Give 2 or more ways that causes the loss of biomass when moving up in the food chain

Slide 20 - Open vraag

the producers are not growing very well this year in a certain area.
Which statement is true?
A
All populations in the next links decrease
B
The populations of herbivores decrease, others do not
C
Population herbivores decreases, population carnivores increases
D
The biological equilibrium stays stabel

Slide 21 - Quizvraag