Question

Animals without a backbone are called………………

Answer 1

Step 1:
Backbone:

1. A backbone is a series of bones joined together at the middle of the back.
2. The backbone helps protect the spinal cord and provides strength and support to the body.
3. Based on having a backbone or not animals are divided into two categories:

• Vertebrates: These groups of living organisms possess a backbone / vertebral columns.
• Invertebrates: These groups of living organisms do not possess backbone/ vertebral columns.

Step 2:
Invertebrates:

1. The animals that do not possess backbones are known as vertebrates.
2. These animals are mostly soft-bodied.
3. For example Earthworms, snails, sponges, etc.

Final Answer: Animals without a backbone are called invertebrates.