Differentiate between internal fertilisation and external fertili… - Vidyadip

Question

Differentiate between internal fertilisation and external fertilisation.

✓

Answer

The differences between internal and external fertilization are:

Internal Fertilization	External Fertilization
In this type of fertilization, the fusion of male and female gametes takes place inside the body.	In this type of fertilization, the fusion of male and female gametes takes place outside the body.
In this type of fertilization, there are high chances of survival of offspring.	In this type of fertilization, there are low chances of survival of offspring.
In this type of fertilization, less numbers of eggs are produced.	In this type of fertilization, large numbers of eggs are produced.
Example: Cows, Hens, Human beings, etc.	Example: Fish, Frog, etc.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "questions in details [4 marks ]" from Reproduction in Animals→Reproduction in Animals — all question types→Science STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Give an example to show that friction depends on the force with which the two surfaces are pressed together.

What do you mean by weeding? Why the process of weeding necessary? Name the methods applied for weeding.

How do Earth’s systems (atmosphere, hydrosphere, geosphere, biosphere) interact to sustain life?

Snehal dug two pits, A and B, in her garden. In pit A, she put fruit and vegetable peels and mixed them with dried leaves. In pit B, she dumped the same kind of waste without mixing it with dried leaves. She covered both the pits with soil and observed after 3 weeks. What is she trying to test?

The fossil fuel $P$ is formed under the earth by the decomposition of vegetable matter lying under water by the action of anaerobic bacteria. The major component of fuel $P$ is $Q$. The fossil fuel $P$ is used as a source of gas $R$ needed to manufacture nitrogenous fertilisers. When $P$ is filled in metal cylinders and used as a fuel in motor vehicles, it is called $S$. What are $P, Q, R$ and $S$?

In order to meet the ever-increasing demand in factories and for shelter, trees are being continually cut. Is it justified to cut trees for such projects? Discuss and prepare a brief report.

Write a paragraph in your own words on each of the following. Preparation of soil.

Which of the following are plant organs and which are animal organs? Brain, Leaf, Lungs, Roots, Stem, Kidneys, Flower, Heart.

What is an electroscope? Draw a labelled diagram of an electroscope and explain its working.

What changes take place in boys during puberty?