Animal Cells Flashcards
Belongs to class Amphibia
Amphibians
Amphibians include animals with aquatic larval stage and terrestrial adults stage like:
Frogs
Toads
Salamanders
Belongs to class reptilia
Reptiles
The first animals to become adapted to live on land. Includes lizards, snakes, turtles, and alligator
Reptiles
They are covered with feathers and they have forelimbs that are modified as wings for flying. They also have light skeleton made of hollow bones
Class aves
Class aves includes animals like
Chicken
Ducks
Hawks
Sparrows
The first to appear in the fossil record are the armored jawless fishes called
Ostracoderms
Cartilaginous fishes includes those which belongs to class condrichthyes
Sharks
Rays
Skates
Their skeleton is made up of cartilage
Class condrichthyes
Class condrichthye’s skin is covered with
Placoid scale
Bony fishes that belongs to class Osyteichthyes
Milkfish
Tuna
Mudfish
They have jaws, paired fins, protective overlapping cycloid or ctenoid scales and a strong skeleton made up of bones
Osyteichthyes
Animals with a hollow nerve tube, notochord, gill slits and post anal stage
Phylum Chordata
Lancelets and tunicates are
echinoderms
Animals with backbone
Vertebrates
There are about how many living species of vertebrates
43, 000