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

Which type of genetic disease can be identified, Which type of genetic dise...

Which type of genetic disease can be identified from the visual analysis of the number of chromosomes present in a karyotype? The counting and identification of chromosomes in

Proteins of animal origin - fish, Proteins of Animal Origin - Fish Fish...

Proteins of Animal Origin - Fish Fish: The edible portion is skeletal muscles of the body. Even though the skeletal muscles of different animals are basically similar, fish spe

Explain the absorption, Explain the Absorption, Storage and Elimination of ...

Explain the Absorption, Storage and Elimination of thiamin? After a meal, thiamin is found in the intestine in the free form. Its absorption involves two mechanisms- both acti

Cells, what are the buildings blocks of life?

what are the buildings blocks of life?

What is coping, Q. What is Coping? Coping refers to a person's patterns...

Q. What is Coping? Coping refers to a person's patterns of response to stress. Coping is the process of managing circumstances, making effort to solve personal and interpersona

excreation, ARE BONY FISHES AMMONOTELIC?

ARE BONY FISHES AMMONOTELIC?!

Body temperature and room temperature , You ran both a body temperature and...

You ran both a body temperature and room temperature test for each enzyme you tested. Did the two temperatures seem to have an effect on the enzyme Exercise? Why or why not?

Define low - density lipoprotein, Q. Define Low - density lipoprotein? ...

Q. Define Low - density lipoprotein? Ans. LDL is the major cholesterol-rich lipoprotein carrying approximately 70 per cent of plasma cholesterol. It serves to transport ch

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