AP BIOLOGY

Detailed explanation-1: -An animal that has a backbone and skeletal system is called a vertebrate. 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-2: -Vertebrates are organisms which have an internal backbone surrounded by bone, also called vertebrae. They have a hard skeleton made of bone, that supports the body’s tissue and anchor muscle. Animals that don’t have spines are called invertebrates.

Detailed explanation-3: -vertebrate, also called Craniata, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. They have backbones, from which they derive their name.

Detailed explanation-4: -The phylum chordata (animals with backbones) is divided into five common classes: fish, amphibians, reptiles, mammals and birds.

Detailed explanation-5: -Animals that have a backbone are called vertebrates. The backbone is is a column of bones that supports the body, and also protects the spinal cord. The back is made up of many separate bones, called vertebrae.