Show:
Fish
Amphibians
Reptiles
Birds
Mammals
100
Fish can be defined as vertebrates with scales, fins and pharyngeal gills that live in this type of environment.
What is aquatic?
100
Despite being one of the major groups of vertebrates, amphibians are what?
What is the smallest group of vertebrates?
100
These vertebrates are cold blooded and have lungs, scaly skin, and a special type of egg.
What is a reptile?
100
The most important characteristic that separates birds from reptiles is this.
What are feathers?
100
These glands are used to provide mammal offspring with milk.
What are mammary glands?
200
Once fishes evolved, they left behind which three major classes?
What are Agnatha, Chondrichthyes, and Osteichthyes?
200
Amphibians are adapted to life on both these ecosystem
What is terrestrial and aquatic?
200
This type of fossil is because of a lack of fossilized eggs to determine whether an animal was a reptile or amphibian.
What is a transition fossil?
200
The front limbs of birds have been modified into these.
What are wings?
200
This means that mammals are able to generate body heat internally.
What is endothermic?
300
The first fish to be found in the fossil record were jawless and had bodies covered in what?
What are bony plates?
300
Amphibians have this kind of skin.
What is moist and covered in glands?
300
Reptiles can be broken down into these four classes.
What are Tuataras, Squamata, Crocodilians, and Chelonia?
300
Birds evolved from this vertebrate during the Jurassic period.
What is a reptile?
300
These three groups of mammals split apart by the end of the Cretaceous Period.
What are monotremes, marsupials, and placental mammals?
400
During these periods, fish underwent a major adaptive radiation.
What are the Ordovician and Silurian periods?
400
Amphibians can be divided into these three classes.
What are Labrinthodontia, Lepospondyli, and Lissamphibia?
400
This type of reptile is the only surviving member of the order Rhynchocephalia, which retains many features of ancient reptiles.
What is the tuatara?
400
This muscular part of the stomach contains small bits of gravel to aid in digestion.
What is the gizzard?
400
These countries were where placental mammals experienced a period of adaptive radiation.
What are North America and Europe?
500
This part of a fish's brain is the most anterior part.
What is the olfactory bulb?
500
This other group of vertebrates evolved from amphibians early in the Carboniferous Period.
What are reptiles?
500
Snakes evolved to have no legs so they could be more effective at this.
What is burrowing?
500
The lungs of birds are connected to these posterior organs which make for a highly efficient gas exchange system.
What are air sacs?
500
These organs are the most advanced in mammals.
What are kidneys?