Formation of major biomes such as desert, rainforest takes place by
Rotation of our planet around the sun
Tilting of our planet to its axis
Both $(a)$ and $(b)$
Seasonal periodicity
Give differences: Heliophytes and Sciophytes
Ratio between mortality and natality is called
Distribution of different plant geographically is called
Synecology is the study of relationship between
The main aim of ‘Earth Summit’ organised at Brazil was