The first vertebrate on Earth.
What is a fish?
It lives in both water and land.
What is Amphibian?
True or false: Reptile is endotherm.
What is false?
Bird is in class __.
What is Aves?
Mammals breed with __ fertilization.
What is internal?
What is "breath"?
It means cold-blooded.
What is ectoderms?
Reptiles have __ fertilization.
Birds have __ chamber hearts.
What is four?
Mammals have __ brain.
What is large?
The type of circulation that fish have.
What is closed circulation and single loop?
Larva breathes through __ and __; adult breathes through __ and __.
What is skin/gills/skin/lungs ?
A type of egg that can lay outside water with a hard shell.
What is amniotic eggs?
The addition "lungs" that help birds gain more oxygen.
What is air sac?
Mammals that have pouches.
What is marsupials?
A system of pores that sense vibrations in water-locates among sides of fish.
What is lateral line system?
Amphibian's circulation is __ loop with __ atriums and __ ventricle.
What is double/two/one?
Reptiles have body covered with dry __ and feet with __.
What is scales and claws?
The organ in the digestion that kneed and crush food.
What is gizzard?
What is true?
It is a fanlike structure that move, steer, stop, balance.
What is paired fins?
It is typanic membrane.
What is the eardrum?
This COMPOUND makes the egg can lay on land.
What is Calcium oxide?
Optic lobe.
What is the organ that receives visual stimuli.
What is mammary glands?