Question

what is fertilization????​

Answer 1

$\huge\mathtt{\underline{Fertilization:-}}$

Complete and permanent fusion of gametes from different parents for the same parent to form a diploid zygote.

$\huge\mathtt{\underline{Types:-}}$

There are two types of fertilization.

External

Internal

$\huge\mathtt{\underline{External:-}}$

Occurs outside the body of the organism medium required .

$\huge\mathtt{\underline{Internal:-}}$

Egg is form inside the female body where it fuse with male gamete.

Answer 2

Explanation:

A taxon is a level of hierarchy in the system of classify organisms.

Following are the hierarchical levels .

Kingdom

Phylum

Class

Order

Family

Genus

Species

\huge\mathtt{\underline{Class}}

Class

It is a taxonomical hierarchy higher than order and lower than phylum. Class includes related to orders of the organisms.

Ex:- Presence of notochord in mammals.

\huge\mathtt{\underline{Phylum}}

Phylum

It is a taxonomical hierarchy below Kingdom and above class. It is a taxon with one or more classes organisms with similar characteristics.

\huge\mathtt{\underline{Family}}

Family

It has a group of related genera with still less number of similarities as compared to genus and species.

Ex:- Fox and dog belongs to the same family. It is a group of entities below order and above genus.

\huge\mathtt{\underline{Order}}

Order

It is a tax on below higher than family and lower than class. Order being a higher category is the assemblable of families which exhibit a few similar characters.

\huge\mathtt{\underline{Genus}}

Genus

It comprises a group of related species which has more characters in common in comparison to spaces of other genera.

Ex:- Lion, tiger and leopard are classified under genus Panthera. It is above species and below family.