Multiple choice

Which of the following statements best defines the ecosystem?

  1. A system that classifies organisms

  2. A system which comprises the physical environment and the organisms that live therein

  3. A system that studies the volume, intensity and velocity of sound

  4. A system that governs the radiation of energy from the sun

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An ecosystem is defined as a functional system comprising both living (biotic) components and the physical environment (abiotic factors) in which they interact. This includes organisms, their habitat, and the complex relationships between them. Options C and D describe unrelated acoustic and atmospheric phenomena respectively, while option A refers to taxonomic classification rather than ecological systems.