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Grade 3Science

Life Cycles: Birth, Growth, Reproduction, and Death

Life Cycles: Birth, Growth, Reproduction, and Death is a free, printable Grade 3 Science worksheet — 6 questions with an answer key, aligned to NGSS 3-LS1-1. Lessonpress generated it in about a minute, and you can make your own for any K–5 grade, standard, or skill.

Develop models to describe that organisms have unique and diverse life cycles but all have in common birth, growth, reproduction, and death

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Answer key

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  1. 1.

    Label each stage of the frog life cycle in order. Use the word bank: Adult Frog, Egg, Froglet, Tadpole.

    Answer: Egg, Tadpole, Froglet, Adult Frog

  2. 2.

    Fill in the table to compare the life cycles of a butterfly and a bean plant.

    Answer: Butterfly: egg, larva (caterpillar) and pupa (chrysalis), adult lays eggs, adult dies after reproducing | Bean Plant: seed, seedling grows into plant, plant makes flowers and seeds, plant dies after producing seeds

  3. 3.

    Which four stages do ALL living things share in their life cycle?

    Answer: Birth, growth, reproduction, death

  4. 4.

    Sort these life cycle stages into the correct animal group.

    Answer: Butterfly: egg, larva, pupa, adult | Frog: egg, tadpole, froglet, adult frog

  5. 5.

    All living things reproduce so they can pass life on to the next ___. Without reproduction, a species would not survive.

    Answer: generation

  6. 6.

    A butterfly and a pine tree have very different life cycles. How are their life cycles the same? Give two examples.

    Answer: Both are born (from an egg or a seed), both grow, both reproduce (the butterfly lays eggs and the tree makes seeds), and both eventually die. These four stages are shared by all living things.

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Common questions

What grade is the "Life Cycles: Birth, Growth, Reproduction, and Death" worksheet for?

Grade 3. It's calibrated to the Grade 3 reading load and content, and aligned to NGSS 3-LS1-1.

What standard does this Science worksheet cover?

NGSS 3-LS1-1, from the Next Generation Science Standards: Develop models to describe that organisms have unique and diverse life cycles but all have in common birth, growth, reproduction, and death

Is this worksheet free to print or download?

Yes. You can print or download this worksheet, and generate your own for any K–5 grade, subject, and standard, free with Lessonpress, no credit card to start.

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