Cette leçon contient 36 diapositives, avec quiz interactifs et diapositives de texte.
Éléments de cette leçon
Slide 1 - Diapositive
Slide 2 - Diapositive
Slide 3 - Diapositive
Q. Which type of ecosystem is this?
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A
Polar Region
B
Boreal Forest
C
Deep Ocean
D
Mountain
Slide 4 - Quiz
Slide 5 - Diapositive
Slide 6 - Diapositive
Slide 7 - Diapositive
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ECOSYSTEM
Slide 8 - Carte mentale
Q. What are the two main parts of an ecosystem?
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A
Animals and plants
B
Habitat and ecosystem
C
Habitat and rocks
D
Living and non-living things
Slide 9 - Quiz
Q. The system contains all living things on Earth.
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A
Biosphere
B
Atmosphere
C
Hydrosphere
D
Geosphere
Slide 10 - Quiz
It is the total amount of water on the earth.
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A
Biosphere
B
Atmosphere
C
Hydrosphere
D
Lithosphere
Slide 11 - Quiz
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Slide 15 - Diapositive
different species that live together in the same area at the same time.
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Slide 16 - Question ouverte
Q. A population is...
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A
Multiple species that live in one area
B
All of the living and nonliving things in an area
C
A group of one species in one area
D
The rocky area of the earth.
Slide 17 - Quiz
a group of organisms that have similar traits and are able to produce fertile offspring. (plural)
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Slide 18 - Question ouverte
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Slide 22 - Diapositive
Q. Food, water, sunlight, shelter, and space are resources that are often __________.
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A
populations
B
community
C
carrying capacity
D
limiting factors
Slide 23 - Quiz
Q. The average number of people living in an area
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A
population distribution
B
population density
C
population
D
community density
Slide 24 - Quiz
True / False The lower the population density the more populated the area is.
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Slide 25 - Question ouverte
Which of the following is TRUE about competition?
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A
different species that live together in the same area at the same time.
B
the demand for resources, such as food, water, and shelter, is in short supply in a community.
C
the same species that live together in the same area at the same time.
D
Living and nonliving things.
Slide 26 - Quiz
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Slide 30 - Diapositive
True / False The carrying capacity of an environment is not constant because it increases and decreases as the amount of available resources increases and decreases.
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Slide 31 - Question ouverte
Q. When a population grows past the ecosystem's carrying capacity, what happens to the population?
A
Continues to grow
B
The population starts to die off to return to carrying capcity
C
The population will go extinct due to a lack of resources
D
The population grows then finds a new carrying capacity
Slide 32 - Quiz
Why biotic potential is unlikely to achieve?
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A
no ecosystem has an unlimited supply of natural resources
B
ecosystems have a lot of community in it
C
too large population density is available
D
there are more abiotic factors present
Slide 33 - Quiz
True / False When resources are not available a population will decrease in size.
Slide 34 - Question ouverte
Q. Carrying capacity is...
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A
The lowest number of organisms in an ecosystem.
B
The total number of organisms in an ecosystem.
C
The maximum number of organisms an ecosystem and its resources can support.