Reproduction in animals

Reproduction in animals

By CHAKKA. JWANIKA

WHAT IS REPRODUCTION​

REPRODUCTION-​

​The process through which a living organism produces new living organism like itself is called reproduction.

​

CH . JWANIKA​

What are oviparous animals​

Animals that give birth in the form of egg are called oviparous animals

​

Eg- Hens, Frogs​ , Snakes.

Subject | Subject

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What are viviparous animals​

Animals that give birth to youngones in the mother womb are called viviparous animals

​

Eg- Humnas , Lions​ , tiger.

Subject | Subject

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Fill in the Blank

What are viviparous animals examples

Draw

write the name of one oviparous animal

Asexual Reproduction​

IN ASEXUAL REPRODUCTION ONLY ONE PARENTS IS INVOLVED.

THEY DIVIDE THEMSELVES INTO 2 PARTS.

​​DIVDED AMOBA ARE KNOWN AS DAUGHTER

CELLS​

​

EG- AMOBA , FUNGI , BACTERIA.

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A CELL THAT IS DIVIDED IS CALLED

Sexual Reproduction​

IN SEXUAL REPRODUCTION TWO PARENTS ARE INVOLVED.

MALE AND A FEMALE ARE INVOLVED IN SEXUAL REPRODUCTION.

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EG- HUMANS , LIONS, TIGERS, RABBITS.​

Open Ended

Examples of asexual reproduction

Multiple Choice

How many types of reproduction are there

• 2

• 3

• 4

• 6

BINARY FISSION.​

WHAT IS BINARY FISSION?​

ANS- binary fission in involves division of organism into two individuals. They Unicellular organisms. They are asexual mode of reproduction.

EG- AMOEBA AND PARAMECIUM.​

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BUDDING​

WHAT IS BUDDING?​

ANS- animal such as hydra , sponge and sea anemone reproduce asexually by growing buds. The buds separate from the parent and grow as individuals .

FRAGMENTATION​

WHAT IS FRAGMENTATION?​

Ans-Planaria & some other flatworms can reproduce by Fragmentation in Which there is division of the body into 2 or more pieces. Each piece then grows the parts. That are missing and becomes a new Organism.​

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Multiple Choice

PLANARIA IS AN EXAMPLE OF WHICH REPRODUCTION

• FRAGMENTATION

• BUDDING

• BINARY FISSION

• NONE OF THESE

Multiple Choice

EXAMPLE OF BUDDING

• HYDRA

• SPONGE

• PLANARIA

• ONLY A & B

Multiple Choice

BACTERIA PRODUCES BY

• BINARY FISSION

• BUDDING

​EXTERNAL FERTILISATION.

1. External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body.

2. In which sperm combine with an egg outside the body of a female organism​.

3. EX- Frogs & Fish.​

INTERNAL FERTILISATION.

1. Internal fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg inside of the female's body.

2. In which sperm combine with an egg Inside the body of a female organism​.

3. EX- Lions & Humans.​

https://youtu.be/F3ElGMVU6SY​

​https://youtu.be/dM71jKNuk-M

​https://youtu.be/TvmQiWpgX5c

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