differences [2marks]

Questions

Question 12 Marks

Give points of differences : internal fertilisation and external fertilisation.

Answer

	internal fertilisation		external fertilisation.
$1.$	The fusion of a male and female gamete takes place inside the female body.	$1.$	The fusion of a male and female gamete takes place outside the body of female.
$2.$	It occurs in many animals including human, cow, dog, then, etc.	$2.$	It is very common in aquatic animals such as fish, starfish, etc.

Question 22 Marks

Give points of differences : zygote and a foetus.

Answer

	Zygote		Foetus
$1.$	It is unicellular.	$1.$	It is multicellular.
$2.$	Zygote is formed by fusion of the egg and the sperm.	$2.$	Foetus is developed from embryo.

Question 32 Marks

Give points of differences : Sperm and Ovum

Answer

	Sperm		Ovum
$1.$	Sperm is a male reproductive cell.	$1.$	Ovum is a female reproductive cell.
$2.$	It is produced in testis.	$2.$	It is released from ovum.

Question 42 Marks

Give points of differences : Asexual reproduction and Sexual reproduction

Answer

	Asexual Sexual reproduction		Sexual reproduction
$1.$	Single parent is involved in it.	$1.$	Male and female two (parents) are involved in it.
$2.$	Gametes are not produced in it.	$2.$	Male and female gametes are produced in it.

Science differences [2marks]