Question

which plant group is called amphibians of the plant world ?

Answer 1

The Bryophytes are called amphibians of the plant world because they cannot live away from water. ... Therefore water is an essential part of bryophyte life.

Answer 2

Bryophytes, contrary to other plants can't live in a water free environnement.

Explanation:
Because they need water for reproduction.
The Bryophytes are called amphibians of the plant world because they cannot live away from water.
While reproducing, the gamete produced by the bryophyte will need water to travel from the male gametophyte to the femelle one. It works like flower's pollen