HORTICULTURE

Detailed explanation-1: -Sexual reproduction involves the fusion of male and female gametes to form a zygote. The fusion of the nuclei of male and female gametes is known as fertilization. Asexual reproduction does not involve gametes, instead parts of a mature organism may develop to new individuals.

Detailed explanation-2: -If organisms stop the process of reproduction their species will be wiped off from the earth.

Detailed explanation-3: -Development Step 1: Fertilization. Fertilization is the process in which a single haploid sperm fuses with a single haploid egg to form a zygote. The sperm and egg cells each possess specific features that make this process possible: The egg is the largest cell produced in most animals species.

Detailed explanation-4: -To reproduce, animals need a male and female. Together they can create offspring, or babies. Some animals, such as chickens, fish and snakes, lay eggs which contain their offspring. Other animals, including humans, tigers and sheep, grow their babies inside them until they are developed enough to be born.