Animal reproduction, Biology

Assignment Help:

Animal Reproduction -

Reproduction is the ability to produce new organism of its own type. It is meant to increase their number.

Reproduction includes -

(i) Replication of DNA                                          

(ii) Cell division

(iii) Formation of reproduction units                      

(iv) Division into offsprings.

Animals reproduce mainly in two ways -

S.NO.

ASEXUAL

SEXUAL

 

1.

 

2.

 

3.

 

4.

 

5.

 

6.

 

7.

 

8.

 

9.

 

10.

 

It is uniparental

 

Gametes are not formed

 

Reproductive organs are not needed

 

No fertilisation

 

Offsprings are similar to parent

 

New characters do not appear

 

No variation

 

No evolution

 

Definite process

 

Generation leads to extinction

 

uni / biparental

 

formed

 

needed.

 

fertilisation occur

 

different

 

appear

 

variation present

 

evolution takes place

 

Indefinite process

 

Not so


Related Discussions:- Animal reproduction

Porcine rotavirus, Porcine rotavirus Piglet diarrhoea and mortality are ga...

Porcine rotavirus Piglet diarrhoea and mortality are gaining importance and the viral agent which is highly incriminated in such episodes is porcine rotavirus. The clinical featur

Obelia, what are the economic importance of obelia?

what are the economic importance of obelia?

Determine the factors that influence manganese absorption, Determine the Fa...

Determine the Factors that Influence manganese absorption? Let us now see which factors influence Mn absorption. Major factors which may influence the absorption of this min

What is an example of an ion of biological importance, What is an example o...

What is an example of an ion of biological importance? Sodium in one, but so are potassium and calcium

Explain about the cheese making - methods of food processing, Explain about...

Explain about the Cheese Making - methods of food processing? Cheese is a way of preserving milk for long periods of time. In this process, the milk in cheese becomes something

Explain about metabolic diseases, Q. Explain about Metabolic diseases? ...

Q. Explain about Metabolic diseases? Metabolic diseases, as you already know, refer to those disorders in which the various reactions in the cells are effected (production of e

Trypsin, Trypsin Trypsin is secreted by the pancreas in an inactive fo...

Trypsin Trypsin is secreted by the pancreas in an inactive form trypsinogen. It is activated by enterokinase secreted by the glands in the intestinal wall. As trypsin is forme

Explain vegetable dehydration, Explain Vegetable dehydration It reduces...

Explain Vegetable dehydration It reduces the natural water content below the level critical for the growth of microorganisms (12-15%), without being detrimental to important nu

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd