Animals That Do Not Have A Backbone

Invertebrates: Animals Without Backbones

What are Invertebrates?

Invertebrates are animals that do not have backbones, also known as vertebral columns. They make up the vast majority of animal species on Earth, with over 90% of all living animals being invertebrates.

Examples of Invertebrates

Some common examples of invertebrates include:

• Centipedes
• Millipedes
• Worms
• Jellyfish
• Octopuses
• Squids
• Corals
• Slugs

Characteristics of Invertebrates

In addition to lacking a backbone, invertebrates have a number of other characteristics that distinguish them from vertebrates. These include:

• A soft body
• A lack of internal organs
• A simple nervous system
• A short lifespan

Importance of Invertebrates

Invertebrates play an important role in the ecosystem. They are a food source for many other animals, and they help to decompose organic matter. In addition, invertebrates are used in a variety of products, such as food, clothing, and medicine.