Animal Classification and Characteristics

The video discusses the diversity of animals on Earth, highlighting their various habitats, shapes, and sizes. It explains how scientists classify animals into two main groups: vertebrates, which have a backbone, and invertebrates, which do not. Vertebrates include mammals, birds, reptiles, amphibians, and fish, while invertebrates include animals like jellyfish, worms, crabs, spiders, and insects, some of which have an exoskeleton.

What is the primary method scientists use to classify animals?

• By their similarities

• By their color

• By their diet

• By their size

Which of the following is a characteristic of vertebrates?

• They have an exoskeleton

• They have a backbone

• They have soft bodies

• They are always small

Which of these animals is a vertebrate?

• Jellyfish

• Spider

• Fish

• Worm

What is a common feature of invertebrates?

• They are all aquatic

• They have an exoskeleton or soft bodies

• They are always large

• They have a backbone

Which of the following animals has an exoskeleton?

• Snake

• Frog

• Crab

• Bird