Show:
Chordates
Class - Fish
Class - Amphibians
Class - Reptiles
Miscellaneous
100
The flexible rod that supports the back of all chordates.
What is a notochord?
100
The organs that take in oxygen for fish.
What are gills?
100
The way adult amphibians obtain oxygen.
What are gills and thin, moist skin?
100
Produce concentrated urine.
What are kidneys?
100
A snake is this type of eater.
What is a carnivore?
200
An animal that does not produce much body heat.
What is an ectotherm?
200
The way most fish reproduce.
What is external fertilization?
200
The number of chambers in an adult amphibian's heart.
What are 3?
200
One way that a reptile's egg is different from and amphibian egg.
What is a leathery shell?
200
When the body temperature of a reptile changes.
What is change in the temperature of the environment?
300
To protect the spinal cord.
What is the function of the backbone/vertebrae?
300
A goldfish.
What is an example of a bony fish?
300
An adaptation that helps amphibians move on land.
What is a strong skeleton?
300
The adaptation inside a reptile egg that helps keep the embryo moist.
What is an amniotic membrane?
300
The largest reptiles alive today.
What are alligators and crocodiles?
400
All of them are chordates and belong to the phylum Chordata.
What is a vertebrate?
400
Cartilaginous fish scales.
What are pointed and tooth like?
400
The characteristic of mature amphibians that make them sensitive to changes in the environment.
What is thin skin?
400
Two organs that help reptiles keep water in their bodies.
What are skin and kidneys?
400
It controls the buoyancy of a fish.
What is a swim bladder?
500
An animal whose body temperature does not change much.
What is an endotherm?
500
The reason most fish move.
What is feeding?
500
The big difference between frogs and toads.
What is dry, bumpy skin?
500
Legs.
What is the major difference between lizards and snakes?
500
An example of a jawless fish.
What is a lamprey? (Will also accept hagfish)