Exploring Ecosystem Roles and Traits

Which of the following is an example of a producer in an ecosystem?

• Lion

• Oak tree

• Earthworm

• Hawk

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DOK Level 1: Recall

Which of the following best describes the role of decomposers in an ecosystem?

• They produce food for other organisms.

• They break down dead material and recycle nutrients.

• They hunt and eat other animals.

• They compete with plants for sunlight.

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DOK Level 2: Skill/Concept

All the different types of animals living in one area is called a/an...

• Individual

• Community

• Population

• Biome

Which of the following is an example of a consumer in an ecosystem?

• Grass

• Rabbit

• Mushroom

• Rock

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DOK Level 1: Recall

Why might a species of bird have different beak shapes?

• To attract mates

• To adapt to different food sources

• To fly faster

• To sing louder

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DOK Level 2: Skill/Concept

A group of the same living organism is called a/an...

• Individual

• Community

• Population

• Biome

Which of the following is a scavenger in an ecosystem?

• Deer

• Vulture

• Grasshopper

• Sunflower

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DOK Level 1: Recall

Which of the following statements best explains why some plants have thorns?

• To attract pollinators

• To store water

• To protect against consumers

• To increase photosynthesis

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DOK Level 2: Skill/Concept

Analyze the following scenario: A group of plants in a forest has developed thicker leaves over time. What could be a possible reason for this change?

• To attract more sunlight

• To conserve water in a dry environment

• To grow faster than other plants

• To produce more seeds

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DOK Level 3: Strategic Thinking

Develop a model to describe how a plant's life cycle is affected by its environment.

• Plants grow faster in the shade.

• Plants need sunlight and water to grow.

• Plants produce seeds in the winter.

• Plants grow taller in dry conditions.

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DOK Level 3: Strategic Thinking