Science - Chapter 2: Vocabulary

Choose the correct definition for ecosystem.

• The variety of life in the world or in a particular habitat or ecosystem.

• All the living and nonliving things working together in an area.

• The natural home or environment of an animal, plant, or other organism.

Choose the picture which best depicts the emergent layer of the rainforest.

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Choose the picture which best depicts the canopy of the rainforest.

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Choose the correct definition for pollen.

• A sweet liquid formed inside flowers.

• The movement of pollen to the seed-making part of a flower.

• A powdery material that flowers need to make seeds.

What part of the plant does pollen come from?

• Sepal

• Petal

• Stamen

What is nectar?

• A powdery material that flowers need to make seeds.

• The part of a plant where seeds are made.

• A sweet liquid formed inside flowers.

In what part of the plant are seeds made?

• pistil

• stamen

• petal

What does pollination mean?

• The movement of nectar to the seed-making part of a flower.

• The movement of pollen to the seed-making part of a flower.

• The movement of glucose to the seed-making part of a flower.

Which animal is extinct?

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What does camouflage mean?

• A body feature or way of acting that helps a living thing survive in its environment.

• How an animal may look like another living thing.

• How a living thing might not be seen because it blends into its surroundings.