What is it called when a plant or animal has a trait that helps it survive in a specific environment?
  • instinct
  • mimicry
  • camouflage
  • adaptation
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
What is one reason that some plants have a strong scent?
  • to shed extra water off the plant
  • to take in nutrients from the soil
  • to attract animals to spread its pollen
  • to conserve water during dry periods
What is one possible reason for seeds to have hooks or barbs?
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  • to stay warm during the winter
  • to protect themselves from sunlight
  • to get attached to passing animals and get carried away
  • to stick to animals and steal nutrients from them
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
Which feature of a rose helps it grow without being eaten by animals?
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  • flowers with bright colors
  • sharp thorns
  • small seeds
  • deep roots
Water lilies live in lakes and ponds. The lilies have very long stems. The picture above shows a water lily in a pond. How do long stems help water lilies live in ponds?
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  • They absorb food for the plant.
  • They absorb water from the pond.
  • They enable the pads and flower to reach sunlight.
  • They help the plants float away.
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.
An adaptation that helps a cactus live in the desert is its
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  • wide, flat leaves to catch water
  • bright green color
  • thin, spiny needles
  • tall stems
Desert plants have a coat of wax on their leaves to
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  • keep water from escaping
  • protect them from animals eating them
  • absorb water from the air
  • release scent to attract animals
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.
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.
Mr. Walker plants a new plant next to a tall tree in his yard. It is partly in the sun, but is mostly in the shade. He notices that it is growing with all of its leaves on one side. Why is the plant growing this way?
  • It is dying.
  • It is trying to get sunlight.
  • It is trying to stay in the shade.
  • It wants to be closer to the tree.
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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