What is the type of reproduction that involves the fusion of male and female gametes?
Answer: Sexual
Sexual reproduction is a process where male and female gametes fuse to form a zygote, which later develops into a new organism.
Which male reproductive organ produces sperm?
Answer: Testes
The testes are the primary male reproductive organs responsible for producing sperm cells and male hormones.
Which female reproductive organ produces eggs (ova)?
Answer: Ovaries
The ovaries are the primary reproductive organs in females that produce ova (eggs) and hormones necessary for reproduction.
What is the process of fusion of sperm and egg called?
Answer: Fertilisation
Fertilisation is the process in which a sperm cell fuses with an egg cell to form a zygote, marking the beginning of a new organism.
What is the term for fertilisation that occurs inside the female body?
Answer: Internal
Internal fertilisation occurs when sperm fertilises an egg inside the female body, as seen in humans, dogs, and cows.
Which term describes fertilisation occurring outside the female body, often in water?
Answer: External
External fertilisation occurs outside the female body in water, as seen in frogs and fish.
What is the first stage of development after fertilisation?
Answer: Zygote
After fertilisation, the fused sperm and egg form a zygote, which later develops into an embryo and eventually a fully grown organism.
What is the term for animals that give birth to live young ones?
Answer: Viviparous
Viviparous animals, such as humans and cows, give birth to live young ones instead of laying eggs.
What is the term for animals that lay eggs instead of giving birth to live young?
Answer: Oviparous
Oviparous animals, such as hens, frogs, and lizards, lay eggs that hatch into young ones.
What is the stage of an embryo where all body parts are recognizable?
Answer: Foetus
A foetus is the stage of an embryo in which all the body parts have developed and are identifiable