Biology Quiz

What do producers, also known as autotrophs, use to create their own food?

• Carbon dioxide and water

• Sunlight, carbon dioxide, and water

• Soil and water

• Sunlight and soil

Which of the following is an example of a primary consumer?

• Fox

• Deer

• Bacteria

• Algae

What do secondary consumers eat?

• Producers

• Primary consumers

• Decomposers

• Carnivores

Which trophic level do carnivores belong to?

• First trophic level

• Second trophic level

• Third or fourth trophic level

• They are not part of any trophic levels

What is the role of decomposers in an ecosystem?

• They produce their own food

• They consume primary consumers

• They break down dead organisms and return nutrients to the soil

• They eat both plants and animals

What do single-celled organisms called phytoplankton provide food for in a marine food chain?

• Algae

• Krill

• Grasshopper

• Dragonfly larvae

In a grassland ecosystem, what might a grasshopper get eaten by?

• A snake

• A raccoon

• A dragonfly larvae

• A blue whale

What is the apex predator mentioned in the grassland ecosystem example?

• Rat

• Grasshopper

• Hawk

• Mosquito larvae

In a pond ecosystem, what does the dragonfly larvae become food for?

• A mosquito larvae

• A fish

• A snake

• A hawk