The organisms spending most of the time in transitional area between two communities are called
Exotic species
Edge species
Keystone species
Critical link species
Which one of the following expressions is associated with a 'mangrove plant'?
Soil formed by transportation of disintegrated parent material from one place to another is called
Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of
The instrument which measures wind velocity is
What will be the environmental consequence of $25\%$ increase of $CO_2$ level in our atmosphere