Part of or all of the notochord is replaced by a this.
what is backbone
100
Sticky or webbed feet.
What is a frog's way of swimming or climbing.
100
A turtle is a reptile whose body is covered by a protective shell that includes the rids and the backbone.
What is a turtle?
100
A jawless fish does not have
jaws or scales
100
Ectotherm
What is an animal whose body regulates its own temperature by controlling internal heat it produces?
200
when an a moist area becomes dry, dry sunny areas, population decrease, habitat in danger, eggs lack shells, they may be sensitive to change in their habitat.
What is putting Amphibian's in danger?
200
Tadpole has a single loop with two chambers, while the adult frog has two loops with three chambers.
What is the difference between a tadpole and an adult frog's circulatory system?
200
A lizard has movable eye lids, claws to help climb trees, skin witch has overlapping scales, legs to help it move, and a long tail to give it an extra grip.
What is the Characteristics of a lizard?
200
Jawless, Cartilaginous, and Bony
What are three types of fishes?
200
An egg with a shell and internal membranes that keep their embryo moist.
What is an amniotic egg?
300
Vertebrates can grow larger because this does not need to be replaced as the animal grows.
What is endoskeleton.
300
Alligators have rounded snouts with few teeth visible when mouth is shut. Crocodiles have pointed snouts with most of their teeth visible when mouth is closed.
What is the difference between an Alligator and a Crocodile?
300
These fish have a swim bladder to help stabilize themselves at different depths of water.
What is a bony fish?
300
An egg with a shell and internal membranes that keep the embryo moist.
What is an amniotic egg?
400
An animal whose body regulates its own temperature is ______.
What is endotherm
400
upper chambers of the heart.
What is atrium
400
If a shell from an amniotic egg was removed the _____ would not be protected.
What is embryo
400
Bony Fish make up ____% of all fish species.
what is 95%
400
The flexible rod that supports a chordate's back.
What is Notochord
500
An animal whose body temperature changes depending on the temperature of its environment.
What is ectotherm
500
Lower chamber of the heart
What is ventricle.
500
The earliest vertebrates to have legs positioned under their bodies.
What is dinosaurs.
500
The sea dragon being well camouflaged in weedy bays and lagoons belongs to the ______ fish category.