Some animals are not like some of them even to their mothers when they are born.During key developmental stages of metamorphosis by passing the main creatures living creature unlike similar. For example, frogs and insects after hatching undergoes a structural change is called metamorphosis to become the main animal eyes.
Some of the main creature came into the world, on the contrary, it is similar to the creatures. To give an example of the Transfiguration mammalian organisms resistant animals (dog, cat, cow, horse, bear, wolf ….) birds, fish, snakes, lizards do not absorb the metamorphosis.
1 - Frogs:
• Gill breathing larvae in the water, on land breathing, skin and lung cancer in adults.
• Gggs and multiply.
• Baby care visible.
• External fertilization occurs.
• Pass metamorphosis during their development.
• Do not feed its babies milk.
• a three-chambered heart.
• Clean contaminated blood into the lungs.
• Their hearts clean and dirty.
• Live in wetlands.
• The cold-blooded organisms.