Class VII

A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in
  1. Polar regions
  2. Deserts
  3. Oceans
  4. Tropical rainforests
Introduction of foreign specie will upset dynamic equilibrium of
  1. water
  2. air
  3. ecosystem
  4. climate
Island of Mauritius have a bird once called
  1. dodo
  2. duckbill
  3. ostrich
  4. hen
Birds are adapted to fly because of ___________,
  1. Streamlined body
  2. Light bones
  3. Feathers and wings
  4. All of these
Long Inactivity and metabolic depression of animals during winters is known as:
  1. Aestivation
  2. Migration
  3. Evolution
  4. Hibernation
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