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Reproduction in Animals: Growth & Development Of Organisms

Grade 3
Jul 28, 2023
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Look at the pictures of the animals with their young ones. The process of producing young ones is known as reproduction. This process is very important for the species to grow. If reproduction stops, the species will become extinct.

Animals and their young ones
Animals and their young ones

Just like plants, animals also reproduce.

Let’s discuss reproduction in animals in detail.

Explanation:

Reproduction in Animals

Living beings have the ability to reproduce and produce more of their own kind. Like living things, animals are born, grow, give birth to their own kinds, get old, and die.

Dog and his puppies
Dog and his puppies

It is essential for the continuation of a species or group of animals.

parallel

Reproduction ensures the continuation of similar kinds of individuals (animals) generation after generation.

Have you ever seen a chicken laying an egg? Does a dog lay an egg too?

Reproduction in animals
Reproduction in animals
A Chicken on Eggs
A Chicken on Eggs

Animals have mainly two different modes of reproduction.

  1. By giving birth to young ones
  2. By laying eggs

1. Animals That Give Birth to Babies

The animals give birth to young animals directly instead of laying eggs, and the baby develops inside the body of the mother.

These animals are called viviparous animals.

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Animals that give birth to babies
Animals that give birth to babies

Some mammals like cows, cats, dogs, horses, and humans all give birth to their live young ones directly from their bodies.

Examples of viviparous animals
Examples of viviparous animals

2. Egg-Laying Animals

The second group of animals is those which lay eggs, and the baby hatches out from the egg.

These animals are called oviparous animals.

Egg laying animals
Egg laying animals

Some animals like lizards, alligators, tortoises, snakes, turtles, insects, and birds reproduce by laying eggs.

Examples of egg laying animals
Examples of egg-laying animals

Did you know?

A female frog lays hundreds of eggs in a lake or pound at a time, and these large clusters of eggs are called spawns.

Frog life cycle
Frog life cycle

Tiny tadpoles hatch out of the egg, swim in the water, and look like fishes.

Tadpole’s tails become shorter and shorter, then it finally disappears, and it develops into an adult frog.

Frog life cycle
Frog life cycle

Summary

  • All living organisms are capable of giving birth to their young ones, which are either exactly the same or somewhat similar to them.
  • The process of producing young ones is known as reproduction.
  • Reproduction is essential for the continuation of a species or group of animals. 
  • Some animals lay eggs.
  • Some animals give birth to young ones.
  • Some animals like lizards, alligators, tortoises, snakes, turtles, insects, and birds reproduce by laying eggs.
  • Some mammals like cows, cats, dogs, horses, and humans all give birth to their live young ones directly from their bodies.
  • Some animals carry their eggs in their bodies until they hatch.
Reproduction in Animals

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