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Animal Life Cycle and the Different Stages

Grade 3
Jun 15, 2023

Growth and Development of Organisms – Animal Life Cycle


All living things have a life cycle. A life cycle is the development and growth stages of living things.

Human Life Cycle
Human Life Cycle

Just like plants, animals also have a life cycle.

Let us discuss the life cycle of animals in detail.

Explanation of Animal Life Cycle

A life cycle is the stages animals go through from birth to death.


The word cycle means circle, and it is called a life cycle because it repeats over and over.

Animal Life Cycle

Different Stages of Animal Life Cycle

An animal’s life cycle includes different stages.

Life cycles vary depending on the species of animals, and it can be as short as just about a few weeks for insects.

Despite the time differences, all animal cycles begin with a growth and development process, followed by reproduction.

The reproductive stage in the life cycle marks the end of the cycle, and many animals often die after they have reproduced only once.


The four different stages of the life cycle of all animals include:

Stages of animal life cycle

Every animal has a life cycle. Some animals change a lot during their life; others change just a little.

Life cycle

For example, frogs undergo major changes during their life cycle, while bears don’t change as much over their lives.

Frog Life Cycle and Polar bear life cycle

Insects have a life cycle as well. Let’s study various animals’ and insects’ life cycles.

Insects Life cycle

Life Cycle of Turtle

Life cycle of Turtle

Life Cycle of Dog

Life cycle of Dog

Life Cycle of Chicken

Life cycle of Chicken

The number of stages and the length of the life cycle depends on the species or type of animal, and every animal in the same species goes through the same stages.

For example, a monarch butterfly has four stages in its life cycle and only lives for a few weeks. But an elephant’s life cycle has three stages and lasts up to 70 years.

Life cycle of a Butterfly and an elephant
Animal Life Cycle


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