Food Chain and Food Web

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

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

• Autotroph
• Producer
• Consumer
• Mutualist

An organism that uses sunlight to create its own food is known as a:

• Producer
• Heterotroph
• Consumer
• Decomposer

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.

What does a food web represent?

• More than one energy path throughout all organisms in a habitat.

• The specific ways that friendship is carried out.

• A single pathway or energy flow between organisms.

• How carnivores get their food.

How much energy is available to be passed on to the next trophic level in an ecosystem?

• 100%
• 10%
• 50%
• 75%

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them. 
• They may eat more than one other organism. 
• This organism gets its energy from multiple sources. 
• They have no resources available to them.

The fox in this food web would be considered a:

• Tertiary Consumer
• Producer
• Secondary Consumer
• Primary Consumer

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

Finish off this food chain: Berries --> Greenfly --> Ladybird --> ? (there may be more than one answer)

• Dragonfly

• Frog

• Snake

• Titmouse