OBJECTIVE FORESTRY

FORESTRY

ECOLOGY AND ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
After a volcanic eruption, mosses and lichens colonize the cooled lava flows. This is ____
A
primary succession
B
secondary succession
C
climax comunity
D
trophic levels
Explanation: 

Detailed explanation-1: -Primary succession occurs after a volcanic eruption or earthquake; it involves the breakdown of rocks by lichens to create new, nutrient-rich soils. The first species to colonize an area after a major disturbance are called pioneer species; they help to form the new environment.

Detailed explanation-2: -Primary succession refers to the establishment of a community in an uninhabited area such as rocks. Process of primary succession: Primary succession is seen in areas where volcanic eruptions occur. When the lava has cooled and hardened, it forms rocks or barren land.

Detailed explanation-3: -Primary Succession is a process that starts in an area where no living organisms are there. Examples of areas where primary succession occurs are newly cooled lava, bare rock, newly created pond or reservoir. The establishment of a new biotic community is generally slow.

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