Respuesta :
Answer:
Dog
also what typpa beef is going on in the other answer's comments
Humans and all other animals have a notochord during embryonic state which develops into the vertebral column. Dog is a vertebrate. Thus option D is correct.
what are the features of vertebrate?
The animals possess vertebral column and notochord at any point in their lives.
It has a stiff rod, presence of notochord, spinal cord, alimentary canal, the mouth, anus.
Seven classes of vertebrates include mammals are called endothermic animals and it includes humans and platypuses.
Aves are dinosaurs characterized by feathers, toothless beaks and metabolic rate and lay hard-shelled eggs.
Reptiles includes snakes, crocodiles, tuataras and turtle and ectothermic in nature.
Amphibians are ectothermic tetrapod like frogs toads and salamanders and have different breeding behavior.
Osteichthyes belongs to fishes is characterized by their skeleton which is composed primarily of bone, like sharks.
Chondrichthyes are the cartilaginous fish like sharks, rays, skates and sawfish.
Agnatha are most primitive fishes. Thus option D is correct.
Learn more about vertebrate, here:
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