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Science Grade 2-3 Answer Key

Producers, Consumers, Predators, and Prey

Learning how living things get energy

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Producers, Consumers, Predators, and Prey

Learning how living things get energy

Science - Grade 2-3

Instructions: Read each problem carefully. Write your answer in a complete sentence when you can.
  1. 1

    A green plant uses sunlight, air, and water to make its own food. Is the plant a producer or a consumer?

    Producers make their own food using sunlight.

    The green plant is a producer because it makes its own food.
  2. 2

    A rabbit eats grass. Is the rabbit a producer or a consumer?

    The rabbit is a consumer because it eats another living thing for energy.
  3. 3

    A fox hunts and eats a rabbit. In this example, which animal is the predator?

    A predator is an animal that hunts another animal for food.

    The fox is the predator because it hunts and eats the rabbit.
  4. 4

    A fox hunts and eats a rabbit. In this example, which animal is the prey?

    The rabbit is the prey because it is hunted and eaten by the fox.
  5. 5

    Write P for producer or C for consumer: sunflower, deer, mouse, oak tree.

    Plants are usually producers. Animals are consumers.

    Sunflower is P, deer is C, mouse is C, and oak tree is P.
  6. 6

    A caterpillar eats leaves from a plant. What is the producer in this example?

    The plant is the producer because it makes its own food.
  7. 7

    Look at this food chain: grass -> grasshopper -> frog -> snake. Name the producer.

    The producer is usually the first living thing in a food chain.

    Grass is the producer because it makes its own food from sunlight.
  8. 8

    Look at this food chain: grass -> grasshopper -> frog -> snake. Name one consumer.

    The grasshopper is one consumer because it eats grass. The frog and snake are also consumers.
  9. 9

    A hawk catches and eats a mouse. Explain why the hawk is a predator.

    Predators hunt other animals.

    The hawk is a predator because it catches and eats the mouse.
  10. 10

    A ladybug eats tiny insects called aphids. Are the aphids predator or prey in this example?

    The aphids are prey because the ladybug eats them.
  11. 11

    Tell whether each living thing is a producer or consumer: algae, fish, tree, squirrel.

    Algae and trees can make their own food using sunlight.

    Algae is a producer, fish is a consumer, tree is a producer, and squirrel is a consumer.
  12. 12

    A bear eats berries and fish. Is the bear a consumer? Explain your answer.

    The bear is a consumer because it gets energy by eating plants and animals.
  13. 13

    Complete the sentence: In a food chain, energy usually starts with the sun and then goes to a ______.

    Plants use sunlight to make food.

    In a food chain, energy usually starts with the sun and then goes to a producer.
LivePhysics™.com Science - Grade 2-3 - Answer Key