Question

a. Name the gametes produced by male and female human beings.
b. What is the name given to animals that give birth to babies?
c. Define Fertilisation.
d. Name two gases found in the air that give rise to acid rain.

Answer 1

a)In the human reproductive process, two kinds of sex cells, or gametes , are involved. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system.

b)The animals which give birth to young ones are called viviparous animals. Those animals which lay eggs are called oviparous animals.

c)The process of combining the male gamete, or sperm, with the female gamete, or ovum. The product of fertilization is a cell called a zygote.

d)Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

__________❌_________

Answer 2

Answer:

A) Sperm and Ova

B) Mammals

C) The action or process of fertilizing an egg or a female animal or plant, involving the fusion of male and female gametes to form a zygote.

D) Carbon monoxide (CO2), Sulphur monoxide (SO2) and Nitrogen Monoxide (NO2)

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