In a hydrosphere the plants like Carex, Cyperus, and Juncus appear just after a community comprising:
Correct answer: A. Scirpus, Typha, Sagittaria
- A. Scirpus, Typha, Sagittaria
- B. Nuphar, Nelumbo, Victoria
- C. Lemna, Wolffia, Spirodela
- D. Najas, Ceratophyllum, Elodea
Explanation
In a hydrosere, submerged plants such as Najas, Ceratophyllum and Elodea are followed by floating-leaved plants, then reed-swamp plants such as Scirpus, Typha and Sagittaria. Carex, Cyperus and Juncus appear after this reed-swamp stage.
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