Which of the following best describes an ecosystem?

• A. A group of the same species living in a specific area
• B. A community of organisms interacting with each other and their physical environment
• C. A collection of different species that do not interact
• D. The physical environment where an organism lives

Answer: (B)

Verified step by step guidance

1. Understand the definition of an ecosystem: An ecosystem is a biological community of interacting organisms and their physical environment.
2. Identify the key components of an ecosystem: These include both biotic (living organisms) and abiotic (non-living physical and chemical) factors.
3. Analyze the options given: Consider which option includes both living organisms and their interactions with the environment.
4. Option 1 describes a population, which is a group of the same species living in a specific area, not an ecosystem.
5. Option 2 correctly describes an ecosystem as it includes a community of organisms interacting with each other and their physical environment.