DENDROLOGY

FOREST ECOLOGY

FOREST SUCCESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In certain taiga (coniferous) biomes, glaciers move slowly over the terrain and expose bare rock. After hundreds of years, this exposed rock goes through ecological succession to become a forest. Which type of succession is this and why?
A
Primary, the climax community is a forest
B
Secondary, the pioneer species are grasses
C
Primary, the ecosystem starts without soil and lichen are the pioneer species
D
Secondary, the original ecosystem was destroyed and there is soil available for the new ecosystem to grow
Explanation: 

Detailed explanation-1: -The 5 stages of Ecological Succession include the following – Nudation, Competition and Co-action, Invasion, Reaction, and Climax or Stabilization.

Detailed explanation-2: -The various seral stages of lithosere(succession on bare rock) are as follows: Lichens(Pioneers community)→ Mosses→ Annual grasses → Perennial grasses → Shrubs → Trees(Climax community).

There is 1 question to complete.