4009119
Description
Quiz by jjjohnson2212, updated more than 1 year ago
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Created by jjjohnson2212
over 8 years ago
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Question 1
Question
How do we use nitrogen gas?
Answer
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We dig it up from the soil
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We convert it into nitrates
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Take nitrates and make it into nitrogen gas so we can use it
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We can't it's just in the atmosphere
Question 2
Question
When organisms die, their molecules of carbon get returned to the atmosphere by herbivores
Answer
- True
- False
Question 3
Question
Cells need nitrogen for....?
Answer
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Bones
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Proteins
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Cell membrane
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Photosynthesis
Question 4
Question
In the carbon cycle how do organisms obtain energy?
Answer
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Absorb the nutrients from the ground
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Break down sugar molecules
Question 5
Question
Ecological Niche is the way organisms occupy their positions in an ecosystem
Answer
- True
- False
Question 6
Question
Definition of Symbiosis
Answer
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When one organism consumes another organism for food
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Two or more organisms compete for the same resource
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Interaction between two different species that live together in close association
Question 7
Question
The maximum number of offspring a species can produce, if resources were unlimited. This is the definition of carrying capacity.
Answer
- True
- False
Question 8
Question
Which is NOT a way people use fossil fuels
Answer
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Using your cell phone
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Petroleum
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Charging your phone
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Using heat
Question 9
Question
Glucose is produced dyring respiration in the carbon cycle?
Answer
- True
- False
Question 10
Question
Why is energy lost from a food chain as tropic levels increase?
Answer
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Because when animals die/are killed most of their energy is absorbed into the ground
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The energy goes to heat energy
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Because energy can't transfer to another organism
Question 11
Question
The solid portion of the earth surface is called
Answer
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Atmosphere
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Lithosphere
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Biosphere
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