DENDROLOGY

FOREST ECOLOGY

FOREST SUCCESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Pioneer species are species which colonize previously uncolonized land, usually leading to ecological succession. They are the first organisms to start the chain of events leading to a livable biosphere or ecosystem. Why is a lichen most likely to be a pioneer species
A
The mutualistic relationship of species forming a lichen allows it to survive independently.
B
The lichen is fast growing and provides a nutritious food source for many other species.
C
The lichen does not require sunlight to survive.
D
The lichen is a decomposer that digests rocks and forms soil.
Explanation: 

Detailed explanation-1: -During primary succession, organisms must start from scratch. First, lichens might attach themselves to rocks, and a few small plants able to live without much soil might appear. These are known as “pioneer species.”

Detailed explanation-2: -Pioneer species are hardy species that are the first to colonize barren environments or previously biodiverse steady-state ecosystems that have been disrupted, such as by wildfire.

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