Earth is a/an
- AOpen system
- BClosed system
- CBoth $(a)$ and $(b)$
- DNone of these
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Match the ecological terms given in Column $I$ with its correct explanation in Column $II$. Column $I$ (Terms) Column $II$ (Explanation) $1$. Stratification $a$. Horizontal distribution of different species $2$. Zonation $b$. Rate of generation of Biomass in an ecosystem $3$. Productivity $c$. Breakdown of detritus $4$. Decomposition $d$. Vertical distribution of different species
Choose the correct option.
| Column $I$ (Terms) | Column $II$ (Explanation) |
| $1$. Stratification | $a$. Horizontal distribution of different species |
| $2$. Zonation | $b$. Rate of generation of Biomass in an ecosystem |
| $3$. Productivity | $c$. Breakdown of detritus |
| $4$. Decomposition | $d$. Vertical distribution of different species |
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