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Biology · 2022 · 3 marks
CBSE 2022 · Region 1 · Set 1 · Q7
The data collected based on the survey conducted for species richness of group of mammals, in three different climatic regions of the world is shown…
The data collected based on the survey conducted for species richness of group of mammals, in three different climatic regions of the world is shown in the bar graph given below. Panama has nearly $\displaystyle 560$ species of mammals, Canada has nearly $\displaystyle 301$ species of mammals and Denmark has $\displaystyle 67$ species of mammals.
(i)
Based on the species, richness, identify the location of these countries in the respective climatic regions given.
(ii)
Plants and animals do not have a uniform diversity in the world. Write the term given to this pattern of diversity and why ?
Marking-scheme solution
(i) Panama-Tropic Canada-Temperate Denmark-Polar
(ii) Latitudinal gradient, species diversity decreases as we move away from equator toward poles / species diversity vary due to different climatic conditions present at different places of world.
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