Biotic vs. Abiotic Components
Learning Objective
I can differentiate between biotic and abiotic components in an ecosystem.
Key Concepts
Biotic factors are the living parts of an ecosystem, including animals, plants, and bacteria.
Abiotic factors are the nonliving parts of an ecosystem, such as soil, water, temperature, and light.
Changes in abiotic factors, like a drought or building a dam, can greatly affect the living organisms and overall structure of an ecosystem.
Practice Questions
This lesson includes 3 practice questions to reinforce learning.
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1. Which of the following is an example of a biotic factor in an ecosystem?
2. Explain how a change in an abiotic factor, such as temperature, could affect the biotic factors in an ecosystem.
3. Classify the following components of a forest ecosystem as either biotic or abiotic: soil, trees, insects, water, sunlight, mushrooms.
Educational Video
Biotic and Abiotic Factors - How These Factors Influence Ecosystems
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