Find the true statement. A. If we consider biochemical or...

Find the true statement. A. If we consider biochemical or molecular criteria for microorganisms, their diversity may run into millions. B. There are 12 mega diversity countries in the world. C. If we accept May's global estimates, only 32 per cent of the total species have been recorded so far. D. Western Ghats have a greater amphibian species diversity than Eastern Ghats. (a) A and B only (b) D only (c) A and D only (d) $\mathrm{A}, \mathrm{B}$ and $\mathrm{D}$ only

Find the true statement.
A. If we consider biochemical or molecular criteria for microorganisms, their diversity may run into millions.
B. There are 12 mega diversity countries in the world.
C. If we accept May's global estimates, only 32 per cent of the total species have been recorded so far.
D. Western Ghats have a greater amphibian species diversity than Eastern Ghats.
(a) A and B only
(b) D only
(c) A and D only
(d) $\mathrm{A}, \mathrm{B}$ and $\mathrm{D}$ only

Key Concepts

Global Species Inventory

This concept pertains to the understanding that current science has documented only a fraction of the total species on Earth. Many estimates suggest that a significant portion of species, including those in less-studied groups, remain unrecorded. This highlights the ongoing challenges in cataloging life on Earth as well as the need for further exploration and study.

Regional Biodiversity Patterns

Regional biodiversity patterns describe the differences in species diversity found in various geographic areas. This includes understanding how certain regions, due to factors like climate, habitat diversity, and geographic isolation, may exhibit higher species richness compared to others. Notable examples include comparisons among different parts of biodiversity hotspots, where one region may support more species (such as amphibians) than its adjacent areas.

Microbial Biodiversity

This concept revolves around the enormous species diversity found among microorganisms. When using biochemical or molecular criteria, scientists often uncover a far greater number of distinct microbial species than is apparent by traditional culturing methods. This approach can reveal millions of unique organisms, highlighting the hidden complexity of microbial life.

Mega Diversity Countries

Mega diversity refers to countries that harbor an exceptionally high number of species and a large number of endemic species. These nations play a key role in global biodiversity conservation because of their rich species assemblages and varied ecosystems, making them vital areas for research and conservation efforts.

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