Fish and amphibians

Federica ArgnaniVeronica Bandini

Amanda Bendandi

FISH’S TAXONOMY

DOMAIN: EUKARYOTE KINGDOM: ANIMALIA PHYLUM: CHORDATA SUBPHYLUM: VERTEBRATES

AGNATES CLASS CHONDRICHTHYES OSTEICHTHYES

Lampreys

Missinoidi

GENERAL CHARACTERISTICS

Jowls, sometimes full of teeth Breathing gills Operculum Sistem of lateral line Oviparous

AGNATES’ CHARACTERISTICSLampreys and missinoidi. About 70 species.

CHONDRICHTHYES’ CHARACTERISTICS

Races, shark, maintas. About 850 species.

OSTEICHTHYES’ CHARACTERISTICS Eels and salmons. About 30000 species

THE TRANSLATION TO EMERGED LAND

Cartilaginous fish In the beginning in

the sea

Osseous fish Often in the fresh water Simple lungs lunged

fish dipnoans Live in water poor of

oxygen Skeletal support

structures

AMPHIBIANS’ TAXONOMY

DOMAIN: EUKARYOTE KINGDOM: ANIMALIA PHYLUM: CHORDATA SUBPHYLUM: VERTEBRATES CLASS: AMPHIBIAN ORDER: ANURANS, URODELES, APODANS

AMPHIBIANS’ CHARACTERISTICS

Lungs They have two lifes Eggs deposited in water and external fertilization

APODANSANURANS

URODELES