Show:
fish
amphibians
Reptiles
100
What is the cycle that amphibians change from young to adult
metamorphosis
100
What are the groups of reptiles?
Turtles and tortoises, Crocodile and Alligators, snakes and lizards,and tuataras
200
What is the sac that is around a frog's vocal cords?
vocal sac
200
What are the 3 characteristics that allow a reptile to live on land?
Thick Skin, Amniotic egg,and Body temperature
300
True or False amphibians were the first vertebrates to live on land
True
300
What is the most usual reproduction by reptiles
Internal fertilization
400
What are the groups of fish
Jawless fish, cartilaginous fish, and bony fishes
400
Why are amphibians ecological indicators?
Because of their thin skin amphibians are one of the first to have something go wrong with them
400
true or false reptiles are endotherms?
false they are ectothermic
500
what are the four characteristics of fish
Able to swim, lateral line,gill, and reproduce
500
What are the groups of amphibians
Frogs and toads,salamanders, and caecilians
500
What does a amniotic egg do to the embryo?
It holds fluid that protects the embryo