Food Webs and Chains

Which of the following organisms is a herbivore.

• butterfly
• snake
• fox
• ladybird

Which of the following organisms is a carnivore.

• greenfly
• titmouse
• mouse
• buzzard

The owl receives energy from which organisms?

• grasshopper and mouse
• mouse and rabbit
• rabbit and butterfly
• butterfly and frog

Which organism is the top predator in this food web?

• leopard seal
• killer whale
• elephant seal
• crabeater seal

How many predators does the squid have?

• 1
• 2
• 3
• 4

The krill is eaten by which consumer?

• blue whale
• phytoplankton
• leopard seal
• penguin

Which one is NOT an example of a decomposer?

• mushroom
• leaves
• mold
• worm

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.