Percentage of mammal species on the verge of extinction is ___________.
A species whose population size has reduced considerably and is at the verge of extinction is called
Complete the world puzzle.
Down
1. Species on the verge of extinction.
2. A book carrying information about endangered species.
5. Consequence of deforestation.
Across
1. Species which have vanished.
3. Species found only in a particular habitat.
4. Variety of plants, animals and microorganisms found in an area.