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Equilibrium
Systems
Pyramids
Food Chains and Webs
This and That
100
The tendency of the system to return to it's original state.
What is Equilibrium?
100
A collection of matter of energy
What is a storage
100
A pyramid that counts individuals at each trophic level
What is a numbers pyramid?
100
Give energy to the forest ecosystem
What is the Sun?
100
A system that has no energy or matter entering or leaving.
What is a closed system?
200
This equilibrium can have continuous inputs and outputs.
What is steady-state equilibrium
200
A flow of matter or energy from one place to another
What is a transfer
200
The amount of energy and matter lost between each trophic level.
What is 90%?
200
An animal that eats only meat
What is a carnivore?
200
It is the non living part of an ecosystem.
What is abiotic?
300
This type of equilibrium is usually found in non-living systems
What is Static Equilibrium
300
The symbol for a flow.
What is an arrow
300
The only pyramid that CANNOT have a non pyramid shape.
What is a productivity pyramid
300
The largest number of trophic levels in a terrestrial food chain
What is four?
300
This category includes all of the individuals of one species found in an ecosystem.
What is a population.
400
A static equilibrium that can be readily changed by a disturbance.
What is unstable equiliburium
400
A flow that is a change in state or form
What is transformation?
400
The law of thermodynamics that results in the pyramid shape
What is the 2nd Law of Thermodynamics?
400
The trophic level with the highest amount of energy.
What are the producers?
400
What can not be created or destroyed according to the first law of thermodynamics?
What is energy?
500
A disturbance where an increased output can lead to further increased output
What is a positive feedback
500
A line in a system diagram that defines the system.
What is a boundary?
500
The units of a productivity pyramid.
What is Joules per meter square per year?
500
They breaks down dead members of each trophic level and returns matter to the soil.
What are decomposers?
500
How an organism gains it's necessities of life, or an organisms "job".
What is a niche