What is difference between internal fertilization or external fertilization?

Question

Answer

Class8 me ho aur pata nhi hai

Answer

Fertilisation usually takes place inside the body of the femaleso the fusion of male and female gamate that takes place inside the body of the female is called internal fertilizationexamples are mammalsthe fusion of male and female gamate which takes place outside the body of the female is calledexternal fertilisationexamples are fishes  frogs

Answer

Internal fertilization is the union of an egg cell with a sperm during sexual reproduction inside the body of a parent. For this to happen there needs to be a method for the male to introduce the sperm into the female's reproductive tract.External fertilization is a male organism's sperm fertilizing a female organism's egg outside of the female's body. Internal fertilization, on the other hand, is the occurrence of internalinsemination as the mode of combining sperm and egg. ... The release of eggs and sperm into the water is known as spawning.

Answer

Fertilisation which takes place inside the female body is internal fertilisation whereas in external fertilisation occurs when fusion of male and female gametes takes outside the body.Internal fertilisation occurs in humans, dogs, goats, etc. whereas external fertilisation is very common in aquatic animals like fish, starfish, etc.

Answer

(1)fertilisation that takes place inside the female body is called internal fertilisation. internal fertilisation observe in human being and other animals.(2) fertilisation that takes place outside the female body is called external fertilisation. external fertilisation observe in starfish, frog etc.

Answer

Internal fertilization - The fertilization which takes place inside the female body is called internal fertilization. Example - Hen,CowExternal fertilization - The fertilization which takes place outside the female body is called external fertilization. Example - Fish,Frog

Answer

The earthquake that is occur under the  seas ,oceans that is called tsunami

Answer

Internal fertilization that takes place inside the female body is known as Internal fertilization for example - cat,dog and Internal fertilization that takes place outside the female body is known as external fertilization for example - fish etc

Answer

What is a tsunami

Answer

Internal Fertilization vs External Fertilization

Internal fertilization and external fertilization are two distinct methods of reproduction found in various organisms. These processes differ in terms of the location where fertilization occurs, the level of parental care, and the chances of successful fertilization.

Internal Fertilization:

Internal fertilization is a reproductive strategy in which the fusion of sperm and egg takes place inside the body of the female organism. This method is commonly observed in terrestrial animals, including mammals, reptiles, birds, and some species of fish.

Key points about internal fertilization include:

1. Mechanism: In internal fertilization, the male transfers sperm into the female's reproductive tract, usually achieved through copulation or mating behavior.

2. Protection: The internal environment provides a protective barrier for sperm, preventing desiccation and providing a higher chance of reaching the egg.

3. Parental Care: Internal fertilization often involves some level of parental care. In many cases, the female provides a safe environment for the developing embryo inside her body until it is ready to be born or hatched.

4. Efficiency: Internal fertilization is generally more efficient than external fertilization as it allows for a higher chance of successful fertilization due to the controlled and protected environment.

5. Offspring Quality: Internal fertilization often leads to the production of fewer offspring compared to external fertilization, but with a higher chance of survival and better development.

External Fertilization:

External fertilization is a reproductive method where the fusion of sperm and egg occurs outside the body of the female organism. This process is commonly observed in aquatic organisms such as fish, amphibians, and some invertebrates.

Key points about external fertilization include:

1. Mechanism: External fertilization typically involves the release of both sperm and eggs into the surrounding environment. The male and female organisms release their gametes simultaneously.

2. External Environment: The fertilization process occurs in the external environment, such as water or moist habitats, where the sperm and eggs meet.

3. Parental Care: External fertilization usually lacks parental care as the fertilized eggs are left to develop and survive on their own.

4. Efficiency: External fertilization has lower efficiency compared to internal fertilization. The chances of successful fertilization are reduced due to the dispersion of gametes and exposure to predators or environmental factors.

5. Offspring Quantity: External fertilization often leads to the production of a large number of offspring, but with a lower chance of survival due to the lack of parental care and the harsh external environment.

In conclusion, internal fertilization occurs within the female's body, providing a controlled and protected environment for fertilization and development, often accompanied by parental care. On the other hand, external fertilization occurs outside the female's body, resulting in a larger number of offspring but with a lower chance of survival and less parental care. These two methods of fertilization have evolved to suit the specific reproductive needs and environmental conditions of different organisms.

Similar Class 8 Doubts

What is the difference between external and internal fertilization in short answer type question ?

Is there any animals which showing both internal and external fertilization?

Can someone give the example of an organism with internal fertilization and external growth of baby.?

Which type of fertilization occurs in hens?

what is internal fertilization

Top Courses for Class 8View all

Science Class 8

Mathematics (Maths) Class 8

Social Studies (SST) Class 8

English Class 8

Improve Your Calculations: Vedic Maths (English)

Top Courses for Class 8

Top Courses for Class 8

Suggested Free Tests

Related Content

Class 8 Study Material

Class 8 Subjects

Competitive Examinations for Class 8

NCERT Solutions

Reference Books for Class 8

Other Popular Exams

Company