Lesson 6.1

What is the name for the trapping of heat by gases in the atmosphere.
A
gas shield
B
global warming
C
carbon footprint
D
greenhouse effect
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Slide 1: Quiz
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Cette leçon contient 11 diapositives, avec quiz interactifs et 2 vidéos.

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What is the name for the trapping of heat by gases in the atmosphere.
A
gas shield
B
global warming
C
carbon footprint
D
greenhouse effect

Slide 1 - Quiz

Largest number of individuals of a population that the environment can support
A
carrying capacity
B
primary succession
C
limiting factor
D
density dependent factor

Slide 2 - Quiz

Slide 3 - Vidéo

When fertilizers run off farmland into streams and ponds, the nitrogen content of the water increases. This can lead to rapid growth of algae in a process called eutrophication. How can this process affect other organisms in the water?
A
Oxygen is used up as algae is decomposed, reducing the amount available to other organisms.
B
The water becomes better able to support aerobic organisms.
C
The algae provide food for fishes and other organisms, leading to decreased algae populations.
D
The extra nitrogen provides additional food for the other organisms, increasing their population.

Slide 4 - Quiz

Put the steps in order
1
2
3
4
5
6

Slide 5 - Question de remorquage

In eutrophication, what does 'algal bloom' refer to?
A
The rapid increase in the number of bacteria
B
The rapid increase in the number of plants
C
The rapid decrease in the number of fish
D
The rapid increase in the amount of nitrates in the river

Slide 6 - Quiz

In eutrophication, what directly causes the death of fish?
A
The plants use up oxygen in respiration
B
The fish are poisoned by high CO2 levels
C
Bacteria use up oxygen in respiration
D
The fish use up oxygen in respiration

Slide 7 - Quiz

Slide 8 - Vidéo

Which level in the pyramid has the most energy?
A
1 because they are autotrophs
B
1 because they are carnivores
C
4 because they are autotrophs
D
4 because they are carnivores

Slide 9 - Quiz

What is bioaccumulation or biomagnification?
A
buildup of toxins in an organism
B
the total mass/amount of organisms in a given area
C
the number of different species in an area

Slide 10 - Quiz

Which organism would have the most bioaccumulation?
A
A because it consumes all the toxins from B, C, and D
B
D because energy is lost as heat
C
A because I'm not really reading what this says.
D
D because it consumes all the toxins from B, C, and D

Slide 11 - Quiz