Nitrogen Cycle
Study of an Ecosystem
Advanced Ecology
General Qs:
Definitions
100
80% of Atmosphere
What percentage of the Atmosphere is made up of Nitrogen?
100
Name of the Ecosystem we have studied
What is a Grassland?
100
It does not take into account the size of the organism
What is a Limitation of the Pyramid of Numbers?
100
Temperature, Soil pH, Light intenstiy
What are examples of Abiotic Factors?
100
Study of the interactions between living things and their environment
What is Ecology?
200
Convert N2 gas into a form that can be used by plants and animals?
What do Bacteria do in the Nitrogen cycle?
200
Flora and Fauna
What is the term used to describe plants and animals in an ecosystem?
200
All the members of a species living in an area
What is a population?
200
Part of the planet that contains living organisms
What is the Biosphere?
200
Soil pH, Soil Temperature, Soil Moisture content
What are example of Edaphic factors?
300
Nitrogen Fixation
What is the conversion of Nitrogen gas to Ammonia called?
300
Piece of apparatus used to identify plants and animals in an ecosystem
What is a Biological Key?
300
Competition between members of the same species
What is Intra- Specific Competition?
300
Series of organisms, with each organisms feeding on the previous member
What is a food chain?
300
Wise management of natural resources
What is Conservation?
400
Nitrification
What is the conversion of ammonia to nitrites to nitrates called?
400
Used to suck in organisms into a jar, e.g. insects, spiders.
What is a Pooter?
400
An organism that hunts down and eats another organism
What is a Predator?
400
Many different populations
What is a Community?
400
Organisms functional role in an Ecosystem
What is a Niche?
500
Conversion of Nitrates to Nitrogen gas
What is Denitrification?
500
Used to calculate the percentage frequency of a plant
What is a Quadrat used for?
500
Competition
What occurs when organisms struggle or fight over a scare resource?
500
Usually found at the base of a pyramid of numbers
Where is a producer usually found in a pyramid of numbers?
500
The main source of Energy for the planet
How does the the Sun affect organisms?
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