25.1
25.2
25.3
25.4
25.5
100
These share four features of life
What are chordates?
100
Large sheets of thin frilly tissue in a fish.
What is a gill?
100
Bouyancy organ in a fish.
What is a swim bladder?
100
Vertabrate with four limbs.
What is a tetrapod?
100
Vertebrate that has a thin, tough membrane.
What is amniote?
200
A flexible skeletal support rod.
What is a notochord?
200
Opposite movement of water in a fish.
What is countercurrent flow?
200
Paired pectoral fins.
What are lobe fins?
200
Animals that can live on land or in water.
What are amphibians?
200
Protien that binds lipids inside the cell.
What is Keratin?
300
Internal skeleton built of bone.
What is an endoskeleton?
300
Series of shallow canals in a fish.
What is a lateral line?
300
Fish that breaths through both gills and lungs.
What is a lungfish?
300
Aquatic larvae of frogs.
What is a tadpole?
300
Completely waterproof egg.
What is an amniotic egg?
400
Oldest class of vertebrates.
What is agnatha?
400
A protective plate in a fish.
What is an operculum?
400
These fins are paired limblike fins.
What is a lobe fin?
400
Laying eggs in water. Wrapping eggs in leaves.
What are reproduction strategies?
400
Membranous organ that develops infemale mammals.
What is the placenta?
500
Cartilaginous fish or in what class?
What is the chondrichthyes class?
500
Sharp array of bones
What is a ray fin?
500
What is the closest relative of terrestrial vertebrate?
What is a lungfish?
500
Changing of an animal to adapt.
What is metamorphis?
500
Other amniotes.
What are rattlesnakes?
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