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Kingdom Animalia; Phylum: Chordata (Chordates), Subphylum: Vertebrata (Vertebrates)
Class: Bony Fish (Osteichtyes, Pisces)  Fishes count over 22000 species and more of them are added each year. Fish anatomy is special designed for living and breathing under water,
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Kingdom Animalia; Phylum: Arthropoda (Arthropods)
 Class: Insects (Insecta)
Insects are the oldest animals in the entire world since they have been around for over 400 million years.
Their evolution has been very successful throughout the million years. They can be found almost everywhere and most of the times get together in huge numbers.
Insects can be very annoying to human but at the same time are very helpful to them in many ways. |
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