Life cycle of Animals:-
What is life cycle?
A life cycle is made up of all the
stages of an animal’s life. These stages include the animal entering the world,
and undergoing changes, growth, as well as reproduction.
Different animals go through
different stages of development in their life cycles. Some animals, such as
reptiles, birds, amphibians and some insects and fish, go through a
three-stages life cycle. Other animals, such as some insects, go through a
four-stage life cycle.
The life cycle of plants start from
seed or spores, and not eggs.
The life cycle of plants are
different from the life cycles of animals.
Now we will discus the life cycle of
animals(chicken).
Life cycles with three stages
Some animals, such as chicken,
cockroaches and frogs, have three stages in their life cycles.
The three stages are the egg, the
young, the adult. The young of some of these animals look different from the
adults.
THE LIFE CYCLE OF A CHICKEN
Egg:-
During the egg stage, the chicken develops
inside the egg. The eggshell protects the developing chick. The egg yolk
provide the developing chick with food.
Young:-
The chicken hatches after about three
weeks.
The chick looks like its parent.
The chick grows to become a chicken.
Adult:-
A hen( adult female chicken) usually
lays one egg each day.
Fact about chicken is that newborn
chicks have a hard lump on their beaks, called an egg tooth. The chick uses its
tooth to break the shell of its egg. The egg tooth usually falls off within a day
after the chicken hatches.
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