A complex network of feeding relationships among organisms in an ecosystem.

A simple linear sequence of who eats whom.

A diagram showing the energy flow in a food chain.

A list of all biotic factors in an ecosystem.

Ecosystem Unit Test

Ecosystem Unit Test | Quizalize

30 questions

Which of the following is a primary producer in most ecosystems?

30 sec

What term describes the role an organism plays in its ecosystem?

30 sec

Which of the following best describes a keystone species?

30 sec

What process involves the breakdown of dead organisms and organic waste?

30 sec

Which of the following factors is considered a biotic component of an ecosystem?

30 sec

What term refers to the variety of life in a particular habitat or ecosystem?

30 sec

What is the primary source of energy for most ecosystems?

30 sec

Which of the following best describes a food chain?

30 sec

What is an abiotic factor in an ecosystem?

30 sec

What type of ecosystem is characterized by high rainfall, diverse plant species, and warm temperatures year-round?

30 sec

Which of the following organisms is considered a primary producer in an ecosystem?

30 sec

What role do decomposers play in an ecosystem?

30 sec

Which biome is characterized by very low temperatures and limited vegetation?

30 sec

What is the primary source of energy for nearly all ecosystems on Earth?

30 sec

Which of the following is a biotic factor in an ecosystem?

30 sec

What is primary succession?

30 sec

What term describes the variety of species within a given ecosystem?

30 sec

What is the significance of keystone species in an ecosystem?

30 sec

What is a food web?

30 sec

What is an example of an abiotic factor in an ecosystem?

30 sec

Which of the following is not a biotic factor in an ecosystem?

30 sec

What term describes the role or function of an organism within its ecosystem?

30 sec

Which of the following represents a producer in an ecosystem?

30 sec

What is the primary source of energy for most ecosystems on Earth?

30 sec

Which of the following best describes a trophic level in an ecosystem?

30 sec

Which process describes the conversion of nitrogen gas in the atmosphere into a form usable by living organisms?

30 sec

What term describes the variety of different species within a particular ecosystem?

30 sec

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

30 sec

What is the process by which animals and plants break down sugars to release energy?

30 sec

Which of the following best describes a keystone species?

30 sec

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