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Take One Out of the Web is a free printable Grade 5 science worksheet on predicting how a change to one part of a food web affects the rest, aligned to NGSS performance expectation 5-LS2-1. It prints 7 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 18 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Take One Out of the Web

5-LS2-1

NameDate

Read the food web, then answer the questions.

1.Read the record, then answer the questions.

Who Eats What in Our Pond

A food web the class drew from a term of pond-dipping records. WHO EATS WHAT Pondweed and algae are eaten by snails, tadpoles and mayfly larvae. Mayfly larvae are eaten by newts and fish. Snails are eaten by newts and frogs. Tadpoles are eaten by newts and fish. Frogs and fish are eaten by herons. Dead plants, dead animals and droppings are broken down by bacteria and worms in the mud, returning matter to the water.

  1. 1. What claim does this web support?
  2. 2. What does every food chain in this web begin with?
  3. 3. If the herons left the pond, what would happen to the frogs and fish?
  4. 4. If a disease killed the pondweed and algae, what would happen?
2.Why can removing one plant affect an animal that never eats it?
  • A.The animals that animal eats may depend on that plant
  • B.Animals smell plants
  • C.It cannot affect it
3.A farmer sprays a field to kill every insect. What could happen to birds that eat insects?
  • A.They get more food
  • B.They have less food, so fewer survive
  • C.They start eating the spray
4.A new road cuts a wood in two. What is one effect on the animals?
  • A.None at all
  • B.Some can no longer reach food or mates on the other side
  • C.They all get more food
5.The rabbits in that field then increase. What happens to the grass?
  • A.It is not affected
  • B.There is less of it, because more rabbits are eating it
  • C.There is more of it
6.The foxes are removed from a field. What happens to the rabbits at first?
  • A.They leave at once
  • B.They increase, because fewer are eaten
  • C.They decrease
7.Too many deer graze in a wood. What happens to the young trees?
  • A.They grow faster
  • B.Nothing happens to them
  • C.Many are eaten before they can grow tall

LessonPrint · 5-LS2-1 · Set 18 · free to copy for classroom use

Answer key — Take One Out of the Web

Set 18. Prints on its own sheet.

  1. 1.1. Matter moves from the pondweed and algae through the animals to the bacteria and worms, and back to the water. 2. Pondweed and algae. 3. There would be more frogs and fish, because nothing else in this web eats them. 4. The snails, tadpoles and mayfly larvae would lose their food, and then so would the animals that eat them.
  2. 2.The animals that animal eats may depend on that plant
  3. 3.They have less food, so fewer survive
  4. 4.Some can no longer reach food or mates on the other side
  5. 5.There is less of it, because more rabbits are eating it
  6. 6.They increase, because fewer are eaten
  7. 7.Many are eaten before they can grow tall

Last reviewed 2026-09-05. Aligned to 5-LS2-1 of the Next Generation Science Standards.