On-going movement of carbon through the environment
What is the carbon cycle?
100
the first level of organisms
What are producers?
100
A model of feeding relationships in an ecosystem
What is a food web?
100
Level of energy with the most stored energy
What is producer level?
100
Relationship in which both organisms benefit.
What is mutualism?
200
Used by the plant to make sugar and add mass to itself.
What is carbon dioxide?
200
organisms that eat other organisms
What are consumers?
200
Represent the flow of energy through feeding relationships
What are the arrows in food web/food chain?
200
Source of all energy in an ecosystem
The sun
200
Relationship in which one organism benefits but the other gains nothing.
What is commensalism?
300
These organism"eat" dead animals and plants and as a result put carbon back into the soil.
What are decomposers.
300
Known as a third level consumer
What is tertiary?
300
Herbivores eat this level
What are producers?
300
Energy cannot be created nor destroyed
What is the Law of Conservation of Energy?
300
Relationship where one animal hunts another.
What is predator-prey?
400
Burning process by which carbon dioxide is released into the atmosphere (fossil fuels or wood.)
What is combustion?
400
Each level in a food chain
What is a trophic level?
400
Organisms who break down biotic materials by both their names.
What are decomposers- carnivores?
400
Level with the least amount of energy stored.
What is tertiary (or 3rd or 4th level) consumers?
400
What causes competition among organisms in an ecosystem
What is needing the same limited resources?
500
Term used to classify all things made of carbon.
What is organic?
500
Three types of small organisms known to be decomposers
What are fungi, molds and bacteria
500
Trophic levels in an ecosystem are limited because
What is energy used at previous levels.
500
Aphids can infest and damage plants. Ladybugs eat these aphids. Ladybugs often live on such plants in order to be near their food source. The three types of relationships given.
What is parasitism, predation, and mutualism (any order)