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1. The Red Data Book keeps a record of all the
(i) endemic species (ii) extinct species
(ii) endangered plants (iv) endangered animals
(i) endemic species (ii) extinct species
(ii) endangered plants (iv) endangered animals
2. Migratory birds fly to far away areas during a particular time of a year. Which of the following conditions present in their habitat during that time are responsible for this behaviour?
(i) Unavailability of food.
(ii) Extreme weather conditions.
(iii) Over crowding.
(iv) Lack of nesting areas.
(i) Unavailability of food.
(ii) Extreme weather conditions.
(iii) Over crowding.
(iv) Lack of nesting areas.
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