Question

What are the differenr methods of asexual reproduction describe each and give two examples brainly?

Answer 1

1)Binary fission -In this mode of asexual reproduction divides into two equal parts to produce two daughter cells
Example.amoeba
2) Budding- In this mode of asexual reproduction a small projection ir bud is produced in the body of parent cell then after some time when that bud becomes mature then it cut from the parent cell and becomes a new individual organism
Example . hydra

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Answer 2

$\textbf{What is asexual reproduction}$

● Formation of new individuals from the cells of a single parent known as asexual reproduction.

$\textbf{types of asexual reproduction}$

There are major 6 types of asexual reproduction :-

1 ) = Binary fission

2 ) = Fragmentation

3 ) = Budding

4 ) = Spore formation

5 ) = Regeneration

6 ) = Vegetative propagation.

● $\textbf{Fission}$

There are two of Fission :-
1 ) = Binary Fission
2 ) = Multiple Fission

$\textbf{Binary fission}$

Fission means " splitting into two " In binary fission the nucleus of the Amoeba rapidly divides into two nucleic after the division of cytoplasm , the two daughter cells are formed.

Two examples of binary fission = Amoeba and Leishmania.

2 ) = $\textbf{Multiple fission}$

The parent cell divides into many daughter cells.
e.g. Plasmodium.

● $\textbf{Fragmentation}$

It is the accidental process when broken pieces of an organism grows in a complete organism.

It occurs in multicellular organism.

Two examples are :-Lichens , Flatworms

● $\textbf{Budding}$

The process by which a bud develops as a outgrowth on parent body.

When these buds become mature these buds detach from the parent body.

Two examples are :- Hydra and Yeast

● $\textbf{Spore formation}$

Spores are covered by thick walls they protect them until they come in contact with suitable conditions.

They produce new individuals under favourable conditions

Two examples are - Ferns , Mosses

● $\textbf{Regeneration}$

When simple animals develop a new individuals from their broken older parts it is known as regeneration.

Two examples of regeneration are - Planaria , Sea Star

● $\textbf{Vegetative propagation}$

In vegetative propagation reproduction takes place from the vegetative parts like stem , roots and leaves.

Method for vegetation propagation

$\textbf{Natural}$

1 ) = By grafting - Dahlias

2 ) = By stems - potatoes

3 ) = By leaves - Bryophyllum

$\textbf{Artificial}$

1 ) = Grafting - Mango

2 ) = Cutting - Rose

3 ).= Layering - Jasmine







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