Last updated on June 28th, 2023 at 11:07 pm
Q: What animals commonly undergo external fertilisation?
Aquatic animals such as fish, starfish, etc. commonly undergo external fertilisation.
Q: What is the structure that holds frog’s eggs together and provides protection to them?
A layer of jelly holds the frog’s eggs together and provides protection to them.
Q: What is the result of fertilisation?
Fertilisation results in the formation of a zygote, which begins to develop into an embryo.
Q: Where does the embryo get embedded for further development?
The embryo gets embedded in the wall of the uterus for further development.
Q: What is the stage of the embryo in which all body parts can be identified called?
The stage of the embryo in which all body parts can be identified is called a foetus.
Q: How are chicks born in hens?
Chicks are born in hens after the developing embryo is enclosed in protective layers, including the hard shell, and laid as an egg. The embryo then takes about 3 weeks to develop into a chick.
Q: How does the chick develop inside the egg shell?
The chick develops inside the egg shell with the help of warmth provided by the hen who sits on the eggs.
Q: Where does the development of the embryo take place in animals that undergo external fertilisation?
In animals that undergo external fertilisation, the development of the embryo takes place outside the female body within their egg coverings.
Q: What is the difference between viviparous and oviparous animals?
Viviparous animals give birth to young ones while oviparous animals lay eggs.
Q: What is metamorphosis?
Metamorphosis is the transformation of a larva into an adult through drastic changes.
Q: What is budding?
Budding is a type of asexual reproduction in which new individuals develop as outgrowths from a single parent.
Q: What is binary fission?
Binary fission is a type of asexual reproduction in which an animal reproduces by dividing into two individuals.
