Representatives of some vertebrate classes are introducing themselves.

1.	Representatives of some vertebrate classes are introducing themselves. Write down the name of the class in which they belong. 1. My gills are covered by operculum. I have bony endoskeleton. 2. I give birth to young ones. My body is covered by hair. 3. My skin is glandular? Have trilocular heart. 4. I live only in marine water. My endoskeleton is made up of cartilage.
Answer» 1. Osteichthyes 2. Mammalia 3. Amphibia 4. Chondrichthyes

Representatives of some vertebrate classes are introducing themselves. Write down the name of the class in which they belong. 1. My gills are covered by operculum. I have bony endoskeleton. 2. I give birth to young ones. My body is covered by hair. 3. My skin is glandular? Have trilocular heart. 4. I live only in marine water. My endoskeleton is made up of cartilage.

Answer»

1. Osteichthyes

2. Mammalia

3. Amphibia

4. Chondrichthyes

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