Examples
Amphibians
Jawless Fish
Mammals
Reptiles
100
Frog
What is an amphibian?
100
What does amphibian mean
What is double life?
100
Have pinkish gray wormlike bodies, secrete slime, and can tie themselves into knots
What is a hagfish?
100
how many species are in the mammalia class
What is 5000?
100
When did reptiles walk the Earth
What is 250 million years ago?
200
Crocodile
What is a reptile?
200
What do amphibians lack
What are scales and claws?
200
Filter feeders as larvae and parasites as adults
What are lampreys?
200
True mammals appeared during the late
What is the Triassic Period?
200
How many groups of reptiles are there
What are 5?
300
Wombat
What is a mammal?
300
What do amphibians require for reproduction
What is water?
300
When did armored jawless fish become extinct
What is 360 million years ago?
300
Produce milk to feed young
What are mammals?
300
The Coelophysis were
What is dinosaurs?
400
Cassowary
What is a bird?
400
Animal with fish and tetrapod features
What is a Tiktaalik?
400
What are the skeleton of jawless made of
What is cartilage?
400
Mammals have how many chambers in their hearts
What is 4?
400
period when dinosaurs became extinct
What is the Cretaceous Period?
500
Oarfish
What is a bony fish?
500
During which period did amphibians become the dominant vertebrate
What is the Carboniferous Period?
500
During what period, did the first fish appear
What is the late Cambrian Period?
500
The Age of Mammals
What is the Cenozoic Era?
500
Reptiles evolved from
What are ancient amphibians?
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