Life Science

Vascular plants' roots soak up water from the soil. How does that water get to the plant's leaves?

• Water stays in the roots.

• Water moves up through the vacuoles.

• Water moves up through the phloem in the stem.

• Water moves up through the xylem in the stem.

Plants make sugar (food) through photosynthesis. In this process, carbon dioxide gas enters the plant through its...

• roots

• leaves

• stem

• flower

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When too hot, which type of animal cools down by panting, sweating, or moving to a cooler place?

• cold-blooded animals

• warm-blooded animals

• both cold- and warm-blooded animals

• neither cold- nor warm-blooded animals

What function (job) do plant roots have?

• collect sunlight

• create food through photosynthesis

• produce seeds

• absorb nutrients & water

Honeybees communicate with the other bees about food by dancing! How is this kind of behavior helpful to honeybees?

• Dancing helps bees know where food has been found, so they can collect more food.

• Dancing relaxes the honeybees.

• Dancing doesn't actually help the honeybees because it stresses them out.

• Dancing helps bees know where food has been found, so they can collect less food.

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A nice smell is an adaptation that __________________.

• helps the plant keep water inside the leaves.
• pokes animals that try to eat the plant.
• attracts pollinators to the plant.

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What is an adaptation?

• A feature that helps a plant grow

• A feature that helps a living thing survive

• A feature that helps a living thing walk

• A feature that that helps only animals survive

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Which feature of a rose helps it grow without being eaten by large animals?

• flowers with bright colors
• sharp thorns
• small seeds
• deep roots

Some grasses grow in hot dry areas. Why might they grow deep roots?

• to protect the plant from sun damage
• to take in as much light as possible
• to spread seeds to new places
• to reach water down below

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This animal is using ______ to ______.

• hibernation; store energy

• camouflage; protect against predators

• mimicry; protect against predators

• camouflage; find a mate

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