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7th grade Life cycles of flowering plants, conifers, mosses and ferns worksheet

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Life cycles of flowering plants, conifers, mosses and ferns

Grade 7 Science Worksheet - Building Confidence

NameDate

Circle the best answer.

  1. Ari studies a sunflower's life cycle. The plant has opened its flowers. What comes next in the cycle?

    • The seed sprouts
    • A seed forms in the fruit
    • Pollen reaches the stigma
    • Spores drop from the leaves

  2. In Esme's flower cycle, a seed has formed inside a fruit. Which step comes next?

    • The fruit turns back into a flower
    • A spore grows a heart-shaped plant
    • Pollen reaches the stigma
    • The seed sprouts into a seedling

  3. Kira reads about a pine tree, a conifer. What does a pine make to start new trees?

    • Seeds on the scales of cones
    • Seeds inside fruit
    • Spores in sori
    • Spores in a capsule

  4. Luz finds soft green moss on a rock. What does moss make to start new plants?

    • Spores, in a capsule on a stalk
    • Seeds inside a small fruit
    • Seeds, in a capsule on a stalk
    • Pollen, in small cones

  5. Milo turns over a fern frond and sees rows of brown dots. What are the dots?

    • Pollen cones
    • Tiny flowers
    • Seeds, ready to fall
    • Sori, where spores form

  6. Moss on Noah's log grows a thin stalk with a small capsule on top. What does the capsule hold?

    • Seeds
    • Spores
    • Pollen
    • Fruit

  7. A spore drops from Pia's fern onto damp ground. What does it grow into first?

    • A pollen cone
    • A flower
    • A small heart-shaped plant
    • A seed with a coat

  8. Ren reads that an ovule holds an egg cell. After fertilization, what does the ovule become?

    • A seed
    • A spore
    • A petal
    • A fruit

  9. Tala eats a cherry with a seed (the pit) inside. Which flower part became the cherry around the seed?

    • The ovary
    • The stem
    • The petals
    • The anther

  10. A bee in Zee's garden gets dusted with pollen. Which flower part made the pollen?

    • The petals
    • The anther
    • The roots
    • The ovary
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7th grade Life cycles of flowering plants, conifers, mosses and ferns worksheet – printable
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About this worksheet

Life cycles of flowering plants, conifers, mosses and ferns. Every version has 10 questions, and the answer key prints on the second page.

What your child will learn

  • I can put the stages of a flowering plant's and a conifer's life cycle in order: pollen, egg and sperm join, seed, sprout.
  • I can put the stages of a fern's and a moss's life cycle in order: spore, small plant, sperm swims to egg, new plant.
  • I can tell a seed from a spore and explain why ferns and mosses need water to reproduce.

Standard: supports MS-LS1-4

Words to know

pollination: Pollen reaching the stigma of a flower, or a seed cone

fertilization: A sperm cell joining an egg cell

ovule / ovary: Holds the egg and becomes the seed / becomes the fruit around the seeds

anther, stigma: Flower part that makes pollen; flower part that catches pollen

conifer: A cone-bearing seed plant, such as a pine; no flowers or fruit

spore: A tiny cell that starts a fern or moss; no young plant or food inside

sori: Groups of spore cases on the underside of a fern frond

Common mistakes

Your child thought ferns or mosses make seeds. They make spores; a seed holds a young plant and stored food inside a coat, and a spore does not.

Your child gave conifers flowers or fruit. Pines and other conifers make pollen in small cones, and their seeds form bare on the scales of seed cones.

Your child put the steps of a seed plant's cycle out of order. Pollen reaches the egg first, sperm and egg join, then the seed forms and later sprouts.

Questions parents ask

What is the most common mistake with life cycles of flowering plants, conifers, mosses and ferns?

Your child thought ferns or mosses make seeds. They make spores; a seed holds a young plant and stored food inside a coat, and a spore does not.

Are these 7th grade science worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

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