Nitrogen
Symbiosis
3 Foods Ecology
Sucession
Mis.
100
What organism "fixes" nitrogen to be usable by animals and plants?
Bacteria or nitrogen fixing bacteria
100
What is mutualism
A symbiotic relationship in which both organisms benefit
100
What is does the food pyramid, web, and chain have to start with?
Producers, plants
100
What does primary succession begin with?
bare rock
100
Pick a science definition correctly define it
answers vary
200
Can animals and plants use free nitrogen in the air?
No
200
What is parasitism?
A form of symbiosis where one organism benefits, but one is harmed
200
What is the largest level in the food pyramid?
Producers (bottom)
200
What does secondary succession begin with?
soil
200
What are the three types of consumers, what do they eat
Herbivore: plants Carnivore: meat Omnivore: plants and animals
300
What is decomposers role in the nitrogen cycle?
Break down dead organisms, nitrogen returns to the soil
300
What is the difference between predator prey and parasitism
Prey is killed and eaten, in parasitism the host is harmed but does not die (not the intention of the parasite)
300
What is the name for the organisms in the top level of the food pyramid?
Top carnivore
300
There was a tornado, what type of succession will occur?
Secondary Succession
300
What do animals exhale? Do plants use that to make food?
CO2 (carbon dioxide) Yes
400
Can nitrogen be destroyed?
No
400
Describe is one mutualism or one parasitism relationship
Answers may vary
400
What happens if one organisms is removed from the food web
What is: Throws the web off or disturbs it; some organisms will decrease, while other populations will increase
400
What is succession?
Change in an ecosystem over time
400
What is (define)evaporation, condensation, transpiration, and precipitation?
Evaporation: water changing from liquid to gas Condensation: water changing from gas to liquid (clouds) Precipiation: water falling back to Earth (rain) Transpiration: water released into the air from plant's leaves
500
The main form of nitrogen useable by plants
What are Nitrates
500
When two organisms of different species live in in close relationship with one another and where one or both may benefit from the relationship.
What is symbiosis?
500
When energy moves from one level of an ecological pyramid to another, this much energy actually gets transferred from one level to the next.
What is about 10%
500
The type of succession that occurs when a timber harvest takes place in a forest area.
What is secondary succession?
500
Major sources of CO2 (carbon dioxide) that add more into the atmosphere than all human activity.
What are volcanoes and deep ocean vents?
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