Multiple choice

The plant which belongs to the Reed-Swamp stage in hydrarch succession is

  1. juncus

  2. sagittaria

  3. salix

  4. trapa
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sagittaria (arrowhead) is an aquatic plant characteristic of the reed-swamp stage in hydrarch (water-based) succession. Hydrarch succession progresses from phytoplankton to submerged plants to floating plants to reed-swamp stage (with plants like Sagittaria, Scirpus) to sedge meadow to woodland to climax forest. Juncus (rush) is also in reed-swamp, but Sagittaria is more representative. Salix (willow) and Trapa (water chestnut) appear in later stages.

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