16 November 2012

# 5 Phylum Vertebrates

Vertebrates are animals with backbones. They are divided into 5 groups called classes: '

Fish, Amphibians, Reptiles, Birds and Mammals.

















Details of each group are given in the table below. You only need to be able to describe visible external features, but other details can be helpful.





1. Fish
Scales- Fins - Eyes & lateral Lines - Gills.
2. Amphibians 
Moist scaleless skin - Eye & Ears - 4 limbs.
3. Reptiles 
Dry scaly skin - Eyes & Ears - 4 legs (apart from snakes).
4. Birds 
Beak - Feathers - Scales on legs - Wings - 2 legs.
5. Mammals
Fur - 4 limbs.

3 comments:

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