1. Fish and amphibians
Federica Argnani
Veronica Bandini
Amanda Bendandi

2. FISH’S TAXONOMY
 DOMAIN: EUKARYOTE
 KINGDOM: ANIMALIA
 PHYLUM: CHORDATA
 SUBPHYLUM: VERTEBRATES
Lampreys
AGNATES Missinoidi
CLASS CHONDRICHTHYES
OSTEICHTHYES

3. GENERAL CHARACTERISTICS
 Jowls, sometimes full of teeth
 Breathing  gills
 Operculum
 Sistem of lateral line
 Oviparous

4. AGNATES’ CHARACTERISTICS
Lampreys and missinoidi. About 70
species.

5. CHONDRICHTHYES’ CHARACTERISTICS
Races, shark, maintas. About 850 species.

6. OSTEICHTHYES’ CHARACTERISTICS
Eels and salmons. About 30000 species

7. THE TRANSLATION TO EMERGED LAND
Cartilaginous fish Osseous fish
 In the beginning in the  Often in the fresh water
sea  Simple lungs  lunged
fish  dipnoans
 Live in water poor of
oxygen
 Skeletal support
structures

8. AMPHIBIANS’ TAXONOMY
 DOMAIN: EUKARYOTE
 KINGDOM: ANIMALIA
 PHYLUM: CHORDATA
 SUBPHYLUM: VERTEBRATES
 CLASS: AMPHIBIAN
 ORDER: ANURANS,
URODELES, APODANS

9. AMPHIBIANS’ CHARACTERISTICS
URODELES
ANURANS
APODANS
 Lungs
 They have two lifes
 Eggs deposited in water
and external fertilization