These questions will help you prepare for the lesson quiz. Be sure to read the feedback carefully for any questions you answer incorrectly, and review those topics before leaving this lesson and taking the quiz.
What is a trophic level?
- all of the nonliving things in an ecosystem
- a model used to show the types of organisms in an ecosystem
- the amount of energy that an organism uses to survive in an ecosystem
- a living organism's position in the flow of energy through an ecosystem
Specific trophic levels include primary producers and tertiary consumers.
Specific trophic levels include primary producers and tertiary consumers.
Specific trophic levels include primary producers and tertiary consumers.
Specific trophic levels include primary producers and tertiary consumers.
Which term describes primary producers?
- decomposers
- abiotic
- herbivores
- autotrophs
Most primary producers are green plants or plant-like organisms.
Most primary producers are green plants or plant-like organisms.
Most primary producers are green plants or plant-like organisms.
Most primary producers are green plants or plant-like organisms.
Insects like bees and hummingbirds that feed on nectar belong to which trophic level?
- primary producers
- primary consumers
- secondary consumers
- decomposers
Herbivores belong to the same trophic level.
Herbivores belong to the same trophic level.
Herbivores belong to the same trophic level.
Herbivores belong to the same trophic level.
An oprey is a fish-eating bird of prey. Which answer indicates the correct flow of energy in a wetlands food chain beginning with producers?
- green algae → osprey → insects → fish
- osprey → fish → insects → green algae
- green algae → fish → insects → osprey
- green algae → insects → fish → osprey
Autotrophs are the first organisms on the food chain, while predators are at the top.
Autotrophs are the first organisms on the food chain, while predators are at the top.
Autotrophs are the first organisms on the food chain, while predators are at the top.
Autotrophs are the first organisms on the food chain, while predators are at the top.
Which term describes organisms that transform materials like iron and sulfur into energy?
- omnivores
- chemoautotrophs
- photoheterotrophs
- decomposers
These are the rarer of the two types of autotrophs.
These are the rarer of the two types of autotrophs.
These are the rarer of the two types of autotrophs.
These are the rarer of the two types of autotrophs.
Which group includes bacteria and fungi and helps break down animal waste and dead tissue into nutrients?
- decomposers
- primary producers
- tertiary consumers
- primary consumers
Sometimes this group of heterotrophs is considered to have its own trophic level.
Sometimes this group of heterotrophs is considered to have its own trophic level.
Sometimes this group of heterotrophs is considered to have its own trophic level.
Sometimes this group of heterotrophs is considered to have its own trophic level.
Summary
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