Energy in an ecosystem review

Which of these is a producer?

• Insects

• Grass

• Bacteria

• Eagle

Where do producers get most of the energy they need to make their own food?

• carbon dioxide

• oxygen

• sunlight

• water

What type of organism is at the beginning of every food chain?

• predator

• carnivore

• producer

• herbivore

This diagram shows how energy flows through an eco-system. What is the first source of energy in this pyramid (aka producers)?

• sharks and large birds

• algae, plankton and seagrass

• herbivorous fish, crustaceans and sea urchins

• seals and carnivorous fish

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

What is another name for producer?

• consumer
• herbivore
• autotroph
• lichen

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist