Observe the global biodiversity distribution of the major plant

cbse-class-12

#1

Observe the global biodiversity distribution of the major plant taxa in the given diagram and answer the questions accordingly.
observe-the-global-biodiversity-distribution-of-the-major-plant-1
(i) Which group of plants are the most endangered?
(ii) Why are mosses/fems so few? Give reason.
(iii) How do fungi that are heterotrophs sustain themselves as a large population?
(iv) Which group of plants is most advanced and which one is most primitive?


#2

(i) Lichens.
(ii) Mosses and ferns are very few as they need humid conditions in forests and forests are disappearing.
(iii) Fungi are able to sustain themselves as a large population because of their wider adaptability to the changing environment conditions.
(iv) Most advanced group is of angiosperms and most primitive group is of fungi.