Show:
Ecosystems
Organisms
Chains and Webs
Energy
Examples
100
Any living thing in an ecosystem.
What is an organism or biotic factor?
100
This type of organism makes its own energy.
What is a producer?
100
This diagram contains all possible feeding relationships in an ecosystem.
What is a food web?
100
What happens to the number of organisms as you go higher up the energy pyramid.
What is decrease?
100
The fish would be considered this, if he was eaten by a polar bear.
What is prey?
200
Non-living things in an ecosystem.
What are abiotic factors?
200
This is a consumer that captures and eats others.
What is a predator?
200
These organisms are always the first organism in a food chain.
What is a producer?
200
The organism that gets energy from the primary consumer.
What is the secondary consumer?
200
Water in a ecosystem is an example of this.
What is an abiotic factor?
300
All populations in an ecosystem.
What is a community?
300
These organisms only eat producers.
What is an herbivore (or primary consumer)?
300
This is always the second organism in a food chain.
What is a primary consumer or herbivore?
300
This is the energy level that contains the least amount of energy.
What is the tertiary consumer?
300
All of the blades of grass in the lawn are an example of this.
What is a population?
400
All organisms in ecosystem that belong to the same species.
What is a population?
400
These consumers eat both producers and other consumers.
What are omnivores?
400
This is the type of organism that would be the last step of a food chain.
What is a tertiary consumer?
400
This is the percentage of energy that a primary consumer is able to pass on to a secondary consumer.
What is 10%?
400
All of the trees and bushes in an ecosystem are considered to be this.
What is a community?
500
This is a community, plus the nonliving features of the area.
What is an ecosystem?
500
These organisms consume wastes and dead organisms.
What are decomposers?
500
This is the direction that the head of the arrow points to in a food chain or web.
What is toward the predator or the organism that is consuming.
500
This is the ultimate source of energy for all producers and consumers.
What is the sun?
500
Bacteria and fungi are examples of this.
What is a decomposer?