Give an example of 2 species that would compete in an ecosystem. What do they compete for?
For example, racoons and owls may compete for the same hallow in a tree as their shelter.
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15
Give an example of animals changing an ecoystem.
For example, beavers cut down trees and build dams, which floods areas and creates ponds.
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15
Give an example of humans changing an ecosystem.
For example, humans cut down trees to build buildings. This takes away homes of animals and takes away oxygen that the trees produced.
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thief
Give points!
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25
magnet
Take 10 points!
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fairy
Take points!
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baam
Lose 10 points!
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15
Give an example of a biotic factor.
Anything living- plants or animals
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15
What is the definition of a biotic factor?
something living in an ecosystem
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15
Are all changes to an ecosystem hurtful to plants and animals? Explain.
No, some changes may help plants and animals. Changes may give them more of the resources they need in order to survive (sunlight, food, water, shelter).
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15
What is competition?
When 2 or more plants or animals are forced to fight for the same resources.
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15
List a positive change to an ecosystem.
For example, cutting down an invasive species to make more room for other species.
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banana
Go to last place!
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shark
Other team loses 20 points!
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fairy
Take points!
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lifesaver
Give 20 points!
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15
Give an example of nature changing an ecosystem.
A natural disaster, drought, etc.
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15
List a negative change to an ecosystem.
For example, people littering, which can cause animals to get hurt/sick from the trash.
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15
If you take away a resources from an environment, what might happen to the animals?
They will be forced to move away or fight for thie resources (competition).