Area where succession can take several thousands years to reach climax community is
Burnt and cut forest
Sand dunes
Flooded land
Abandoned farm lands
Arrange the following as observed in vertical stratification of a forest : Grass, Shrubby plants, Teak, Amaranths.
Which one is the main source of minerals essential for man and other organisms
Definitions / Explanation :
$(i)$ Sere
$(ii)$ Standing state
Pneumatophore roots are present in