EVERYDAY SCIENCE

Detailed explanation-1: -Vertebrates are defined by the presence of the vertebral column. In vertebrates, the notochord develops into the vertebral column or spine: a series of bony vertebrae each separated by mobile discs. These vertebrae are always found on the dorsal side of the animal.

Detailed explanation-2: -Vertebrates are animals with backbones and skeletal systems. A backbone can also be called a spine, spinal column, or vertebral column. The individual bones that make up a backbone are called vertebrae.

Detailed explanation-3: -The phylum chordata (animals with backbones) is divided into five common classes: fish, amphibians, reptiles, mammals and birds. Show examples of these groups and explain the characteristics that make one different from another.

Detailed explanation-4: -The five most well-known classes of vertebrates (animals with backbones) are mammals, birds, fish, reptiles, amphibians. Since kiwi belongs to the bird group, they are vertebrates.