Food Webs Quiz - Grade 3 Science

What is a food web?

• A single chain of animals that eat each other.

• A network of plants and animals showing how they interact and depend on each other for food.

• A map of places where animals live.

• A list of an animal's diet.

Which of the following is a producer?

• Wolf

• Oak tree

• Falcon

• Eagle

What role do decomposers play in a food web?

• They eat plants.

• They break down dead plants and animals, returning nutrients to the soil.

• They hunt and kill prey.

• They produce food through photosynthesis.

How do herbivores get their energy in a food web?

• By eating other animals.

• By eating plants.

• By eating fungi.

• By absorbing sunlight.

Which of these animals is a carnivore?

• Rabbit

• Deer

• Lion

• Cow

What happens if one species is removed from a food web?

• Nothing changes.

• Only that species is affected.

• The entire food web can become unbalanced.

• The plants will grow faster.

What is an apex predator?

• An animal that eats only plants.

• A predator at the top of the food chain with no natural enemies.

• An animal that makes its own food.

• A scavenger that feeds on dead animals.

Which best describes a food chain?

• A flow of energy starting from the sun, through producers, to consumers and decomposers.

• An unending loop of predators.

• A competition between species.

• A connection of animals living in different places.

Why are plants important in a food web?

• They provide water.

• They produce oxygen and food through photosynthesis.

• They provide shelter.

• They scare away predators.