Biotic Components

Multiple Choice

Which of the following is an example of a biotic component in an ecosystem?

• Sunlight

• Water

• Grass

• Air

Open Ended

Why is it important to understand the difference between biotic and abiotic components in an ecosystem?

Multiple Choice

Which of the following is NOT a biotic component?

• Tree

• Rock

• Cow

• Human

Multiple Select

Which of the following organisms are classified as producers?

• Plants

• Algae

• Tiger

• Phytoplankton

Open Ended

Explain the role of producers in an ecosystem and how they contribute to the energy flow.

Open Ended

Describe how energy flows from producers to tertiary consumers in an ecosystem, using examples from the ecological pyramid.

Multiple Choice

Which group of consumers feeds only on plants?

• Primary consumers

• Secondary consumers

• Tertiary consumers

• Decomposers

Multiple Choice

Which of the following best describes the role of secondary consumers in an ecological pyramid?

• They produce their own food through photosynthesis.

• They feed on some primary consumers and are often carnivores or omnivores.

• They decompose dead organic matter into simpler substances.

• They are the top predators that feed on secondary consumers.

Open Ended

Explain the difference between secondary consumers and tertiary consumers in an ecosystem.

Open Ended

How do decomposers contribute to the cycling of nutrients in an ecosystem?

Multiple Choice

Which of the following organisms can be classified as decomposers?

• Grass

• Rabbit

• Bacteria

• Hawk

Multiple Choice

Classify the following biotic component: Bacteria. Is it a producer, consumer, or decomposer?

• Producer

• Consumer

• Decomposer

• None of the above

Multiple Choice

Classify the carabao as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• Both producer and consumer

Multiple Choice

Classify the grasshopper as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• Both consumer and decomposer

Multiple Choice

Classify the bird as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• Both producer and decomposer

Multiple Choice

Classify the mango tree as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• Both producer and consumer

Multiple Choice

Classify the spider as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• Both consumer and decomposer

Multiple Choice

Classify the goat as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• Both producer and consumer

Open Ended

Explain why fungi are classified as decomposers and not as producers or consumers.

Multiple Choice

Classify fungi as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• None of the above

Multiple Choice

Classify coconut tree as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• None of the above

Multiple Choice

Classify banana as a producer, consumer, or decomposer.

• Producer

• Consumer

• Decomposer

• None of the above

Open Ended

After learning about biotic components of an ecosystem, what is one question you still have or something you would like to know more about?