Question

All of the given are seral communities with respect to xerarch succession except:

• A. Moss
• B. Tree
• C. Lichen
• D. Herb

Answer 1

The correct option is B

Tree

The correct option is B.

Explanation of correct option:

1. A transitional stage in a community is called a seral community.
2. A xerarch succession starts from the bare ground that is dry.
3. It usually starts from bare rocks, moves to lichens, then moss, herb, and shrubs subsequently, and finally forests.
4. The tree stage is the climax community in xerarch succession, not the seral community.

Explanation of incorrect options:

Option A:

Moss is a seral community concerning xerarch succession.

Option C:

Lichen is a seral community concerning xerarch succession.

Option D:

Herb is a seral community concerning xerarch succession.

Final answer: Tree is not a seral community with respect to xerarch succession.