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4009119
Science Biology Test Unit 2
Description
Quiz on Science Biology Test Unit 2, created by jjjohnson2212 on 11/11/2015.
No tags specified
water cycle
foid web
carbon cycle
nitrogen cycle
phosphorus cycle
population pyramid
carrying capacity
ddt
tropic levels
abiotic
biotic
Quiz by
jjjohnson2212
, updated more than 1 year ago
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Created by
jjjohnson2212
about 9 years ago
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Resource summary
Question 1
Question
How do we use nitrogen gas?
Answer
We dig it up from the soil
We convert it into nitrates
Take nitrates and make it into nitrogen gas so we can use it
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
Bones
Proteins
Cell membrane
Photosynthesis
Question 4
Question
In the carbon cycle how do organisms obtain energy?
Answer
Absorb the nutrients from the ground
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
When one organism consumes another organism for food
Two or more organisms compete for the same resource
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
Using your cell phone
Petroleum
Charging your phone
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
Because when animals die/are killed most of their energy is absorbed into the ground
The energy goes to heat energy
Because energy can't transfer to another organism
Question 11
Question
The solid portion of the earth surface is called
Answer
Atmosphere
Lithosphere
Biosphere
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