a vertebrates life
Текст на Статията
- A vertebrate is any animal that has a back bone. There are 5 vertebrate groups, let me explain each one's life to you.
- Class Bird: they are warm blooded animals, with a beak and their forelimbs have become wings. They as well as have feathers and lay eggs with hard shell.
- Class Amphibian: they are cold blooded animals. They have moist, scale less skin and they lay eggs in water, larva lives in water. Also larva has gills, but adult amphibians have lungs and the adults also live mostly on land.
- Class reptiles: they are warm blooded animals and have scaly skin. Also they lay eggs that have a rubbery shell.
- Class fish: they are cold blooded, live on water and have scaly skin. They also have gills and fins.
- Class mammal: they are warm blooded animals. They have hair, heart has four chambers and have different types of teeth. Also they have a placenta and their young feed on milk from their mammary glands.
- Hopefully you learned and now know about the five vertebrate groups, and how they are different and similar in some ways. Thank you and bye
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