Question

which group of plant is regarded as first terrestrial plants? why?

Answer 1

Pteridophytes plant is regarded as first terrestrial plants.

Explanation:  

• It is believed that the pteridophytes are the ‘first group of plants’ that have survived on Earth.  

• This is because the pteridophytes are more adapted to suit the ‘harsh nature of the environment’ which was present at the time.

• The bryophytes have evolved after the ‘pteridophytes’. The pteridophytes are those plants which includes ferns.  

• They are exclusively ‘terrestrial plants’ where is the other bryophytes live and grow in places where there is ‘abundance of water’.

Learn more about Pteridophytes

How are pteridophytes different from phanerogams?

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Why bryophytes and pteridophytes grow in moist and shady places?

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Answer 2

Pterydophyta;The first terrestrial plants.

Explanation:

• The first true land plants are are pterydophyta that are vascular plant.
• They are called as cryptogames as they don't produce flower and seeds.
• They contain some advance characters that are found in  highly evolved plants like presence of xylem and phloem that helps them to transfer nutrients and water.
• After moss,bryophyta,the evolution takes place that gives rise to pterydophytes.
• From the fossil records, it is seen that most pterydophytes show common characters with the seed producing plants.
• Example of some pterydophytes are-Ferns, lycophytes etc.