What is vertebra are lined up with joints between them?
100
The five characteristics of fishes.
What are lives in water, uses fins to move; and usually ectotherms, get oxygen through gills, and has scales?
100
What the word amphibian means.
What is double life?
100
One of the only snakes that lays eggs in a nest and guards them.
What is the King cobra?
100
The three MAIN things needed for fossils to form.
What are buried quickly, buried deeply, and buried for a long time?
200
The difference between and ectotherm and endotherm.
What is an ectotherm body does not produce much internal heat and an endotherm can regulate its own temperature by controlling the internal heat it produces?
200
This type of has no scales.
What is the jawless fish?
200
The difference in metamorphosis between frogs and salamanders.
What is complete metamorphosis for frogs where each stage looks very different, while young salamander look similar to the adults?
200
Three adaptations for lizards to live on land.
What are scaly skin, amniotic egg, and kidneys to concentrate urine?
200
The type of environment most fossils while form in.
What is under water, especially near shore?
300
At some point in their lives chordates have these four characteristics.
What are notochord, nerve cord running down the back, pouches in throat area, and a postanal tail?
300
How sharks get oxygen.
What is position themselves in moving current?
300
Four adaptations of adult amphibians for living on land.
What are lungs, two-loop circulatory system, camouflage, and strong skeletons and muscular limbs for movement on land?
300
The two things that can pass through the shell of a reptiles' egg.
What are carbon dioxide and oxygen?
300
The type of rock that almost all fossils are found in.
What is sedimentary rocks?
400
Two animals that are chordates, but not vertebrates.
What are the Lancelet and Tunicate?
400
The percentage of all fish that are bony fish.
What is 95%
400
The specific environment in which an organism lives.
What is habitat?
400
How long most crocodiles and alligators will protect their babies after they are born.
What is up to a year?
400
The name of a scientist who studies fossils.
What is a paleontologist?
500
5 groups of vertebrates.
What are fish, amphibians, reptiles, birds, and mammals?
500
The type of fertilization that most fish use.
What is external fertilization?
500
The path of blood in an amphibians circulatory system.
What is ventricle, lungs, left atrium, ventricle, body, right atrium, and back to the ventricle?
500
The way most carnivorous dinosaurs walked and the way most herbivorous dinosaurs walked.
What is carnivores on two legs, herbivores on four legs?
500
The difference between relative dating and absolute dating.
What is relative dating only tells us if fossils are older or younger than each other, absolute dating gives us an actual age of the fossil or rock based on the steady decay of unstable elements?