# data[].attributes.body
-Fertilize eggs internally.
-Produce eggs with shells.
-regulate it's own body temperature.
-Are cold blood.
-Body covered with scales.
-Better develop lungs.
-Conservate water by eliminating nitrogen waste.
-Segmentation.
-True tissues.
-Coelom body cavity.
-Examples:Turtles,cocodriles,lizards.

# data[].attributes.body
-Have neocortex with is a part of the brain.
-Hair presence.
-Three middle ear bones.
-Mammary Glands.
-Have sweat gLands that produce milk.
-Have jaw joints.
-Are not lonely.
-Have tooth replacement.
-Cervical Vertebral.
-Most are viviparous.
-Enthodermy.
-Examples:Lion,human and Dog.

# data[].attributes.body
-Cartilaginous fish.
-Five to seven gills.
-Dorsal fins.
-Teeth in several series.
-No swim bladders.
-The eyes have a tapetum lucideum.
-They Mantain temperature with large livers that are full of oil.
--Ancient creatures.
-Develop Sense to find preys.
-Example:
Shark,Ray and skates.

# data[].attributes.body
-Endothermic Vertebrates.
-Have feathers.
-Toothless beaked Jaws.
-Lay eggs.
-Four chamber heart.
-A lightweight but strong Skeleton.
-Have a beak.
-Have wings.
-No sweat glands.
-No teeth.
-Skull bones.
-Sexual reproduction.
-Examples:Chicken,turkey and condor.

# data[].attributes.body
-Group of largest living fish.
- Compose half of the living vertebrates.
-They had heavy and complex scales called ganoid which are strong and heavy.
-They have Leptoid Scales which are more flexible that help  reduced weight .
-Fins are supported by rays.
-Rigid skeleton.
-Have a swim bladder.
-Have a gill Cover.
-Example:Teleost,Catfish or Eel.