Hi students! Today we will learn about the Phylum Vertebrate also know as Chordate. Enjoy the lesson!
The fish all live in water. All fishes have these characteristics: 1. Vertebrates with scaly skin 2. Have gills3. Have fins
1. Class Fish
Class reptiles
Reptiles lay waterproof eggs. Characteristics:1) vertebrates with scaly skin 2) lay eggs with rubbery shells.
Most adult amphibians live on land but they always go back to the water to breed. Characteristics:1) vertebrates with moist scale less skin2) eggs laid in water3) larva has gills: adult has lungs
Class Amphibians
Class Birds
Birds also lay waterproof shells. Characteristics:1)Vertebrates with feathers 2) endothermic3) heart has 4 chambers 4) forelimbs have become wings
Characteristics: 1) vertebrates with hair 2) have a placenta3) endothermic4) have a diaphragm have different types of teeth
Class Mammals
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