These types of scales allows snakes to move along the ground without legs.
What are scutes?
100
This is why frogs "ribbet."
What is to find a mate or establish territory?
100
This type of fish have gills AND one lung.
What is a lungfish?
100
Animals that must maintain their body temperature are known as this.
What are endotherms?
100
This is the term that means "change" and describes the developmental process of frogs and toads.
What is metamorphosis?
200
This snake mimics the poisonous coral snake as an adaptation.
What is the milk snake?
200
This type of amphibian look a lot like a reptile but in fact has slimy skin and stunted legs.
What is a salamander?
200
This is the number of chambers in the heart of a fish.
What is 2?
200
A starfish has this type of symmetry because the limbs branch out like the "spokes of a wheel."
What is radial symmetry?
200
This body part determines whether a fish will float or sink. (The fish has control over how much this body part is inflated or deflated.)
What is a swim bladder?
300
This is how crocodiles can be distinguished from alligators.
What is the shape of their head/snout?
300
Amphibians are known as these "indicators" because of their sensitive skin and constant exposure to water and air (and any pollution that may be found in either).
What are biological indicators?
300
This is how you can tell how old a fish is.
What is count the lines on their scales?
300
Chordates with a hardened backbone are called this.
What is a vertebrate?
300
This is the "percentage" of fish that are in the bony fish group.
What is 95%?
400
The three living groups of reptiles are lizards/snakes, crocodilians and these.
What are turtles?
400
Inactivity during hot, dry weather is known as this.
What is estivation?
400
This "system" allows fish to swim gracefully in schools.
What is a lateral line system?
400
This type of symmetry means animals are the same on both sides of their body.
What is bilateral symmetry?
400
These animals do not have a definite shape to their bodies and do not look the same on either side of their bodies.
What are asymmetrical animals?
500
These are the type of eggs that reptiles lay, and are a complete environment for the embryo.
What are amniotic eggs?
500
This part of the frog's anatomy is one of the largest organs and is in charge of making bile.
What is the liver?
500
These are the three categories of fish.
What are jawless fish, bony fish, and cartilage fish?
500
Reproduce sexually, depend on other living things for food, must digest their food, can move/migrate, and this are the five characteristics of all animals.
What is made of many cells?
500
All chordates have a notochord, pharyngeal pouches, postanal tail and this part of the body (that later forms into a brain).