Structural Adaptations of a Plant

Desert plants have a coat of wax on their leaves to

• keep water from escaping

• protect them from animals eating them

• absorb water from the air

• release scent to attract animals

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Which of the following adaptations best​ explains how pine trees are able to prevent water loss or damage from freezing temperatures?

• Pine trees have thick bark

• Pine cones produce seeds.

• Pine tree roots go deep underground.

• Pine needles are thin and have a wax coating.

Why does a cactus have shallow roots while other desert plants have deeper roots?

• Shallow roots help to absorb water quickly before it evaporates.

• A cactus does not need deep roots because it has a strong stem.

• Other plants only want to take in water that is deep underground.

• The water near the surface is much better for helping a cactus to grow.

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What is it called when a plant or animal has a trait that helps it survive in a specific environment?

• instinct

• mimicry

• camouflage

• adaptation

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Some grasses grow in hot dry areas. Why might they grow very 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 that is underground

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A plant is adapted to a forest with little sunlight. Identify the BEST adaptation this plant might have to ensure its survival.

• extremely long root system

• thick, waxy, spike covered leaves

• ability to attach to and grow upwards on taller trees

• shallow root system near the surface

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NGSS.MS-LS1-5

Plants that live in salt marshes absorb a lot of salt water. What adaptation do these plants most likely have?

• They have spines on their leaves.

• They depend on rain for water.

• They have stiff stems for support in water.

• They have a way to get excess salt out of their bodies.

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NGSS.MS-LS2-1

In a dense forest, some trees are very tall. The type of plant MOST LIKELY to survive underneath these trees is one that

• can store water.

• produce many seeds

• needs little sunlight.

• can withstand the cold.

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Some trees shed their leaves in time for winter. Why is this adaptation useful?

• The trees save energy during the darker, colder months.

• The trees take in more sunlight through their branches.

• The trees attract animals to spread their seeds.

• The trees blend into their environment and hide.

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Helps the plant to anchor to the soil and get water and nutrients.

• Leaves

• Stems

• Roots

• Odd shapes

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