Question

Write the division of given plants.Irrespective of differences in their body structure,

write what is the similarity between them.​

Answer 1

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Write the division of given plants.Irrespective of differences in their body structure :-

1) Spirogyra:

Classification :-

Kingdom: Plantae

Division: Charophyta

Class: Zygnematophyceae

Order: Zygnematales

Family: Zygnemataceae

Genus: Spirogyra

Characteristic :-

• Spirogyra is a part of Thallophyta group and grows mainly in water.
• They do not have specific parts such as root-stem-leaves-flowers, but are autotrophic due to the presence of chlorophyll.
• They are known as algae. Microscopic or large, they can also be unicellular or multicellular.
• Some of these are found in fresh water while some are found in saline water. These plants usually have a soft and fibre-like body.

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2) Funaria:

Classification :-

Kingdom: Plantae

Division: Bryophyta

Class: Bryopsida

Subclass: Funariidae

Order: Funariales

Family: Funariaceae

Genus: Funaria

Characteristic :-

• These plants are called ‘amphibians’ of the plant kingdom because they grow mostly in soil and need water for reproduction.
• They do not have specific tissues for the conduction of food and water.
• The plant body is fiat, ribbon-like long, without true roots, stem and leaves
• Instead, they have stem-like or leaf-like parts and root like rhizoids.

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3) Fern :

Classification :-

Kingdom: Plantae

Clade: Tracheophytes

Division: Polypodiophyta

Class: Polypodiopsida

Characteristic :-

• Ferns belong to the group of plants called Pteridophyta.
• They have well-developed roots, stem and leaves but do not bear flowers and fruits.
• They have separate tissues for the conduction of food and water.
• They reproduce with the help of spores formed along the back or posterior surface of their leaves.
• They reproduce asexually by spore formation and sexually by zygote formation.

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write what is the similarity between them :-

1. Bryophta, thallophyta, pteridophyta belongs to sub kingdom cryptogam
2. They don't produce fruit, flowers
3. Cell wall are made up of cellulose
4. Are autotropic and produce their own food
5. Reserve food in form of starch
6. Hidden repoductive structures
7. Reproduce asexually by means of spores

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