Ecology Review
Assessment
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David Wang
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Biology
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9th Grade
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3 plays
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Medium
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12 questions
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1.
Multiple Choice
Which feature below is a biotic component of an ecosystem?
bacteria
nutrients
rocks
water
2.
Multiple Choice
What term describes the sphere of the Earth where living organisms exist?
atmosphere
lithosphere
biosphere
hydrosphere
3.
Multiple Choice
What natural process requires oxygen and sugars and produces carbon dioxide?
eutrophication
photosynthesis
cellular respiration
nitrogen fixation
4.
Multiple Choice
Sustainability means:
using up a resource
using a resource wisely so that others can use it in the future
to keep on doing what we are doing today
to stop using all resources today so that others can use them in the future
5.
Multiple Select
Check all the human impacts that can negatively impact biodiversity of an ecosystem:
Polluting the water
Introducing an exotic species into an ecosystem
Planting trees
Deforestation (cutting down trees)
6.
Multiple Choice
56 baby mice were produced and 40 of them died because they could not find a food source. Lack of a food source is defined as a(n):
Limiting factor
Carrying capacity
Bioaccumulation
Biomagnification
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