Question

easoning
e true and R is the correct explanation of A.
true but R is not the correct explanation of A
false
S true
.:During fertilization, the nuclei of the sperm and the egg fuse to form a single mucleus
): The formation of a fertilized egg called Zygote.
: Fertilization which takes place outside the body of the female is called
External fertilization, .
It is very common in aquatic animals, such as fish, starfish and amphibians.
when cells produced the division of the zygote begin to form groups that develop
into different tissues
These tissues body is termed as foetus​

Answer 1

1) During fertilization, the nuclei of the sperm and the egg fuse to form a single nucleus.  →→  TRUE

2): The formation of a fertilized egg called Zygote.  →→ TRUE

3): Fertilization which takes place outside the body of the female is called

External fertilization, . →→ TRUE

It is very common in aquatic animals, such as fish, starfish and amphibians.

4) When cells produced the division of the zygote begin to form groups that develop

into different tissues

These tissues body is termed as fetus​ .  →→ TRUE