Multiple choice

Which of the following can disturb ecological balance of a biome?

a. Human interference b. Succession due to competition between existing species c. Natural hazards d. Introduction of a new species

  1. a, b and c

  2. a, c and d

  3. b, c and d

  4. a, b and d

  5. a, b, c and d

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

This is the correct answer.