Question

Thallophyta, bryophyta and pteridophyta are called as cryptogams, gymnosperms and angiosperms are called as phanerogams. Discuss why? Write any one difference between monocotyledons and dicotyledons with example.

Answer 1

difference between
all phyta's are cryptograms.

Answer 2

Answer:

Pteridophytes

Phanerogams

1.

They do not have seeds.

They bear seeds.

2.

They have less differentiated reproductive organs.

They have well developed reproductive organs.

3.

Embryos are naked and known as spores.

Embryos are present inside the seeds.

4.

Pteridophytes have much more primitive type of vascular system.

They have advanced vascular system as compared to pteridophytes.

 

Explanation: