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

Tissue, what is the location of connective tissues in our body

what is the location of connective tissues in our body

#titlenergye.., Ask queson #Minimum 100 words accepted#sources of fuel whic...

Ask queson #Minimum 100 words accepted#sources of fuel which do not depend on fossil fuel

Respiration, how respiration takes place in mammls and reptiles

how respiration takes place in mammls and reptiles

Genetics, Considering a pair of homologous chromosomes containing a gene ha...

Considering a pair of homologous chromosomes containing a gene having two different alleles how many different genotypes can the individual present?

What is congenital mitral stenosis, What is Congenital Mitral Stenosis ? ...

What is Congenital Mitral Stenosis ? The onset of symptoms or signs depends on severity of the stenosis, severe the stenosis earlier the presentation. With significant MS, the

Do fishes present an closed or open circulatory system, Q Do fishes present...

Q Do fishes present an closed or open circulatory system? How many chambers does a fish heart have? How does blood flow throughout the fish body? As in every vertebrate the cir

Respiration, define respiration in diffrent types of animals

define respiration in diffrent types of animals

What is metagenesis, What is metagenesis? What are the other names of this ...

What is metagenesis? What are the other names of this process? Metagenesis is the type of life cycle in which there are two dissimilar forms of individuals of the same species,

Nervous system - spinal nerves, SPINAL NERVES 31 Pairs. Mixed type. ...

SPINAL NERVES 31 Pairs. Mixed type. Total weight 150 gms. At the base of origin of spinal nerves gland of swammardon or calcarious ganglion is present. Composed of m

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