Question

Q. Which of the following is/are characteristic features of an ecosystem?

Select the correct option using the codes given below:

• A. 1 only
• B. 1 and 2 only
• C. 2 and 3 only
• D. 1, 2 and 3

Answer 1

The correct option is B 1 and 2 only

Explanation:

Statement 1 is correct.

• An ecosystem is a single unit that sustains life on Earth

Statement 2 is correct.

• The tendency of an ecosystem to maintain its state of stable equilibrium is called homeostasis.

Statement 3 is incorrect.

• The ability to evolve as per changing environment is the characteristic feature of a species. The process is called speciation