Which one of the following is one of the characteristics of a biological community?

(A)Stratification
(B)Natality
(C)Mortality
(D)Sex-ratio

The NCERT line that answers it

Verbatim line

Vertical distribution of different species occupying different levels is called **stratification**.

Chapter: Ecosystem
Section: 12.1 ECOSYSTEM – STRUCTURE AND FUNCTION
Page: 1
Words matched: 11 of 11

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly defines stratification as 'vertical distribution of different species occupying different levels,' which directly matches the correct answer and distinguishes it from population-level characteristics like natality, mortality, and sex-ratio.

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