Question

Rhizoid short note of Bryophyta

Answer 1

Rhizoids are simple, hair-like projections that grow out of the epidermal cells of bryophytes. The term bryophyte refers to a group of plants that includes mosses, liverworts, and hornworts. All of these are nonvascular plants, or plants that don't have complex tissues for transporting water and nutrients.

Rhizoids are similar in structure to the root hairs found on more complex vascular plants. Rhizoids are formed from single cells, unlike roots, which are multicellular organs.

Simple plants like this moss are examples of bryophytes with rhizoids.

Function of Rhizoids
A plant requires water to grow and survive. Some plants require more water than others. Biologists believe that the first plants all lived in water. This enabled them to directly absorb the water they needed from their environment. As time passed, plants evolved to live on land. This meant they adapted some system of absorbing water efficiently without actually living in the water. The first plants to make the move from an aquatic life to living on land were the bryophytes.

Answer 2

Answer:

Explanation:

1:- Bryophtes are terrestrial plants that grow in moist shady places .

2:- they possess root like structures called Rhyzoids.

3:- Rhyzoids are unicellular in liverworts while multicellular in mosses which are advanced forms.

4:- Rhyzoids absorb water and minerals.

5:- They help in fixation of thallus to the substratum.

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