Ecosystem Hierarchy Quiz

What is the smallest unit of life in an ecosystem?

• Organism

• Population

• Community

• Ecosystem

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TEKS.SCI.6.12C

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

• A group of different species living together

• A group of the same species living in the same area

• All living and non-living things in an area

• A single organism

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TEKS.SCI.6.12C

In an ecosystem, what is a community?

• A single organism

• A group of the same species

• Different populations living together

• The physical environment

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Which of the following is an example of a simple procedure in studying ecosystems?

• Identifying the number of species in a community

• Calculating the average temperature of an ecosystem

• Describing the food chain in a habitat

• Listing the types of plants in a forest

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TEKS.SCI.6.12C

What term is used to describe all the living and non-living things in a particular area?

• Organism

• Population

• Community

• Ecosystem

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Which of the following is a basic concept in the hierarchical organization of an ecosystem?

• Food web

• Habitat

• Niche

• Population

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What is the role of a community in an ecosystem?

• It consists of a single species

• It includes all living organisms in an area

• It is the physical environment

• It is a single organism

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Which of the following is NOT part of the hierarchical organization of an ecosystem?

• Organism

• Population

• Community

• Climate

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What is the primary focus of the hierarchical organization in an ecosystem?

• To study weather patterns

• To understand the relationships between different levels of biological organization

• To measure the size of an ecosystem

• To identify non-living components

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TEKS.SCI.6.12C

Which of the following best describes the term "ecosystem"?

• A single organism

• A group of the same species

• A community and its physical environment

• A population of plants

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