Plants and photosynthesis

Plants that are different from each another may have similar structures. Which structure do all plants have in common?

• flower

• fruit

• roots

• trunk

Spines MOST likely help the sandspur plant reproduce by helping each seed to be

• resistant to water

• buried underground

• carried by the wind

• attached to animal fur.

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Which part of a plant is used to absorb sunlight during photosynthesis?

• root

• flower

• seed

• leaf

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Why does a plant’s transport of sugar differ from its transport of water?

• Sugar is made in a plant’s leaves, while water is taken in through a plant’s stem.

• Sugar is made in a plant’s stem, while water is taken in through a plant’s leaves.

• Sugar is made in a plant’s roots, while water is taken in through a plant’s stem.

• Sugar is made in a plant’s leaves, while water is taken in through a plant’s roots.

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Which function is carried out in the leaves of a plant?

• absorbing food

• producing flowers

• absorbing light

• making seeds

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Which would MOST likely need to happen for a new plant to grow?

• Leaves grow out of a stem.

• Insects get attracted to the petals.

• Insects get attracted to the petals.

• A seed sprouts into a seedling.

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How do flowers assist in the survival of the plant?

• Stamens can form thorns that physically hurt predators.

• Petals can produce smells that drive away predators.

• Anthers can release oils that irritate predators.

• Pistils can create hairs that annoy predators.

Which statement BEST explains why losing all of their leaves might kill the trees?

• The trees will not be able to reproduce.

• The trees will not be able to make food.

• The trees will not be able to take in water

• The trees will not be able to absorb nutrients.

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How do flowers contribute to the survival of the plant?

• They are needed for its reproduction.

• They are needed to create energy.

• They are needed to absorb water.

• They are needed to make food.

How do some plants protect themselves from leaf eating animals?

• large fruits

• long stems

• sharp thorns

• colorful flowers