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Gone Fishing
Chordates
Reptiles
Amphibians
Adapt to this
100
Flexible tissue that is the skeleton of sharks.
What is cartilage?
100
Most reptiles have a heart with this many chambers.
What is three?
100
This adjective describes the skin of amphibians.
What is moist?
100
This adaption enables frogs to swim quickly.
What is webbed feet?
200
Air sac that allows fish to adjust their density.
What is swim bladder?
200
Paired openings in the throat behind the mouth.
What are gill slits?
200
Reptiles breathe with these.
What are lungs?
200
This development gives reptiles the ability to live on land away from water.
What is the amniotic egg?
200
This amphibian adaption captures oxygen from the skin.
What are capillaries?
300
Yearly growth rings of fish can be counted on these.
What are scales?
300
Flexible, rodlike structure along animal's back.
What is notochord?
300
"Amphibian" means double life, because they can live in these two places.
What are land and water?
300
This enables alligators to stay in water most of their lives.
What is thick, waterproof skin?
400
The lamprey is this type of fish.
What is jawless?
400
Made of vertebrae, skull, and internal skeleton.
What is endoskeleton?
400
Crocodilians have hearts with this many chambers.
What is four?
400
This classification of amphibians describes how they use the sun/shade to maintain an acceptable body temperature.
What is ectotherms?
500
This fish was thought to be extinct.
What is lobe-finned fish?
500
At some stage chordates have gill slits, a dorsal hollow nerve cord and this
What is notochord?
500
This group is made up of the most reptiles.
What are lizards and snakes?
500
To stay alive during cold winter months, all amphibians do this.
What is hibernate?
500
Tadpoles look nothing like their adult form. This change is called...
What is metamorphosis?