Energy dynamics in Ecosystems

A worm is a/an _________.

• autotroph

• heterotroph

Which of the following has the correct order of the trophic levels for a food web or chain?

• herbivores-decomposer-autotrophs-carnivores-

• decomposer-carnivores-autotrophs-herbivores

• producer-tertiary consumer-secondary consumer-primary consumer

• producer-primary consumer-secondary consumer-tertiary consumer-decomposer

In the food web above, what organism is a tertiary consumer?

• Fox

• Frog

• Vole

• Grass

Consumers that eat only plants are called ________.

• Carnivores

• Omnivores

• Herbivores

• Scavengers

An organism that obtains energy by consuming both plants and animals.

• Omnivores
• Carnivores
• Herbivores
• Humans 

Who eats primary consumers (these can be carnivores and omnivores)?

• Tertiary Consumers
• Secondary Consumers
• Quaternary Consumers 
• Top Predators 

An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.

• producer
• consumer
• decomposer
• autotroph

Autotrophs are organisms that produce their own food. Which do scientist classify as autotrophs?

• Chordates
• Fungi
• Plants
• Molds

A wolf eats a rabbit, that just ate some berries.  What would you call the rabbit?

• Producer
• Omnivore
• Primary Consumer
• 2nd order Heterotrph

The image provided is an example of a(n):

• Producer
• Autotroph
• Consumer
• Insect