LC 2 Review

What is a decomposer?

• Organism that makes its own energy
• Organism that breaks down dead organisms
• Organism that eats other organisms for food & energy

What is an omnivore?

• An organism that only eats plants for energy
• An organism that eats animals for energy
• An organism that eats both plants and animals for energy.

Which of the following organisms is a primary consumer?

• grass

• rabbit

• fox

• snake

Which of the following organisms in competition with the weasel for their food source?

• grass

• rabbit

• fox

• snake

Photosynthesis is important because...

• it makes carbon dioxide

• it makes food for the food webs

• it makes water

• it's not important

Arrows in a food web represent...

• eating

• sunlight

• energy

• matter

In photosynthesis, which are the products?

• carbon dioxide, water

• oxygen, glucose

• sunlight, oxygen

• water, soil

Who is the producer?

• lettuce

• greenfly

• ladybird

• thrush

The owl receives energy from which organisms?

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

Name the producers in this food web.

• seagull and fish
• penguin and crab
• phytoplankton and seaweed
• seaweed and zooplankton