Show:
Chordates
Vertebrates
Fish
Amphibians
Reptiles
100
The muscular structure at the end of a developing chordate.
What is the postanal tail?
100
Animals with a backbone.
What are vertebrates?
100
Fanlike structures attached to the endoskeleton.
What are fins?
100
A period of inactivity during cold weather.
What is hibernation?
100
How oxygen and carbon dioxide exchanged through a reptile’s shell.
What is through pores?
200
The paired openings found in the area between the mouth and digestive tube.
What are gill slits?
200
Backbones that are joined by cartilage.
What are vertebrae?
200
Hard, thin plates that cover the skin and protect the body.
What are scales?
200
How amphibians breathe.
What is through their skin and lungs?
200
2 ways snakes kill their prey.
What is constricting or injecting with venom?
300
The tubelike structure above the notochord that, in most chordates, develops into the brain and spinal chord.
What is the nerve cord?
300
The supportive framework of bone and/or cartilage of a vertebrate.
What is the endoskeleton?
300
One example of a cartilaginous fish.
What is sharks, skates or rays?
300
A period of inactivity during hot, dry months.
What is estivation?
300
An egg covered with a leathery shell that provides a complete environment for the embryo’s development.
What is an amniotic egg?
400
The firm but flexible structure that extends along the upper part of a chordate’s body.
What is the notochord?
400
Tough, flexible tissue that joins vertebrae and makes up all or part of the vertebrate endoskeleton.
What is cartilage?
400
An air sac that allows fish to adjust its density in response to the density of the surrounding water.
What is a swim bladder?
400
What frogs have to help them hear.
What is a tympanic membrane?
400
What snakes use to pick up vibrations from the ground. Be specific.
What is the lower jawbone?
500
The 4 parts that are present at some stage of a chordate’s development.
What are the notochord, nerve chord, postanal tail and gill slits?
500
The 7 groups of vertebrates.
What are jawless fish, bony fish, cartilaginous fish, mammals, birds, reptiles, and amphibians?
500
One way the lateral line system help a fish.
What is to help it sense its environment or detect movement?
500
The Greek word meaning “double life".
What is amphibios?
500
One similarity and one difference between alligators and crocodiles.
Similarity - shape, have scales, live in or near water, care for young Difference - Alligators have a broad head, crocodiles have a narrow head; alligators have a narrow snout, crocodiles have a triagular shaped snout; alligators are less aggressive than crocodiles; alligators feed on smaller animals than crocodiles.