what are vertebrates
Answers
Answered by
3
Answer:
Cartilagenous skeleton, jaws,paired appendages, gills, no operculum, no swim bladder, internal fertilization, placoid scales, 2 chambered heart. ... All chordate embryos have a notochord, which is a longitudinal, flexible rod of cartilage located between the gut and the dorsal nerve cord.
Answered by
0
Explanation:
A vertebrate is an animal with a spinal cord surrounded by cartilage or bone. The word comes from vertebrae, the bones that make up the spine. Animals that are not vertebrates are called invertebrates. Vertebrates include birds, fish, amphibians, reptiles, and mammals.
Similar questions