Vertebrates and invertebrates

The video tutorial explains how animals can be classified into two main groups: vertebrates and invertebrates. Vertebrates are animals with a backbone, such as rats, birds, and lizards. In contrast, invertebrates lack a backbone, examples include squids, spiders, insects, and worms. The video provides visual examples to help identify these groups and concludes by summarizing the classification.

How can animals be grouped based on their physical characteristics?

• By their habitat

• By having or not having a backbone

• By their size

• By their color

Which of the following animals is a vertebrate?

• Spider

• Squid

• Worm

• Rat

What is a common feature of vertebrates?

• They have a backbone

• They have tentacles

• They have wings

• They have scales

Which of these animals is an invertebrate?

• Lizard

• Insect

• Bird

• Rat

What distinguishes invertebrates from vertebrates?

• Invertebrates have a backbone

• Invertebrates do not have a backbone

• Invertebrates live in water

• Invertebrates are always smaller