Science, asked by rafiaupadhye841, 6 months ago

which criteria are used for 3classification of plants​

Answers

Answered by staufiq390
0

Answer:

Criteria used for the classification of plants: (i) Thallophyta: Plant body without roots, leaves. Commonly called algae. (i) Bryophyta: Differentiated into stem and leaf like structure;.

Answered by Anonymous
0

Answer:

Classification of plants is done on the basis of:

(i) Differentiation

(ii) Presence or absence of vascular tissues

(iii) Production of seed

(iv) Covering of seed

(v) No. of cotyledons

Criteria used for the classification of plants:

Thallophyta: Plant body without roots, leaves.

• Undifferentiated

• Mainly aquatic

• Commonly called algae.

Examples: Chara, Spirogyra, Ulothrix

 Bryophyta: Differentiated into stem and leaf like structure;.

• Vascular tissues are absent

• Called amphibians of plant kingdom.

• Lives in marshy and need water for reproduction.

• Alternation of generation is seen.

Example: Riccia, Funaria, MArchantia

Pteridophyta:  

• Well differentiated

• Vascular tissues

• No seeds

Example: Fern, Marsilea

Gymnosperm

• Differentiated Vascular tissues

• Seeds are naked

• Generally Perennial, Evergreen

Example: Pine, Deodar, Cycas

 Angiosperm

• Differentiated, Vascular Tissue

• Seeds within the fruit.

• Commonly called flowering plants

• seeds contain cotyledons

•  Divided into two parts: Monocots and Dicots.

Explanation:

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