Teaching MPPSC Assistant Professor Mock Test Series 2025 Life Sciences Ecological Principles Ecosystem Ecology
Savannas are biomes where tree and grass vegetation coexist over large areas. Which one of the following statements does NOT explain the occurrence of savannas in the Indian subcontinent?
1
Selective logging of forests opens up the canopy and grasses take over
2
Low rainfall maintains low tree cover that helps grasses establish
3
Fires do not allow trees to establish closed canopies
4
Browsing by herbivores limits tree establishment