Ecosystems Introduction Assessment

What is a producer in an ecosystem?

• An organism that breaks down dead material

• An organism that makes its own food

• An organism that consumes other organisms

• A non-living component of the environment

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DOK Level 1: Recall

Which of the following is an example of an abiotic factor in an ecosystem?

• Plants

• Animals

• Water

• Fungi

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DOK Level 1: Recall

How does biodiversity benefit an ecosystem?

• It decreases the number of species

• It increases the stability and resilience of the ecosystem

• It reduces the amount of available resources

• It limits the growth of populations

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DOK Level 2: Skill/Concept

What is the main difference between a population and a community in an ecosystem?

• A population includes all living and non-living things, while a community includes only living things

• A population is a group of the same species, while a community includes different species

• A population is larger than a community

• A population includes different species, while a community is a group of the same species

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DOK Level 2: Skill/Concept

Which of the following is a decomposer?

• Grass

• Rabbit

• Mushroom

• Eagle

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DOK Level 1: Recall

Identify the biotic component from the following:

• Sunlight

• Soil

• Fish

• Water

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DOK Level 1: Recall

Why are decomposers important in an ecosystem?

• They produce energy for the ecosystem

• They consume other organisms

• They break down dead material and recycle nutrients

• They compete with producers for sunlight

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DOK Level 2: Skill/Concept

What term describes a single living entity in an ecosystem?

• Community

• Population

• Organism

• Habitat

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DOK Level 1: Recall

Which of the following best describes a consumer in an ecosystem?

• An organism that makes its own food

• An organism that breaks down dead material

• An organism that eats other organisms

• A non-living component of the environment

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DOK Level 1: Recall

How do abiotic factors influence the biodiversity of an ecosystem?

• They have no effect on biodiversity

• They determine the types of species that can survive in the ecosystem

• They increase the number of predators in the ecosystem

• They reduce the amount of available food

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DOK Level 2: Skill/Concept