Fan-like structures used for steering, balancing, and moving
What are fins
The meaning of "Amphibios"
What is "double life"?
Reptiles are cold-blooded. The term for this is _____.
What is ectotherm?
Smoothing feathers and spreading oil on them helps the feathers stay in place and insulate them. This is called ______.
What is preening?
The three types of mammals
What are monotremes, marsupials, and placental?
Allows a fish to sense its environment and detect movement
What is the lateral line
Frogs, toads, and salamanders
What are examples of amphibians?
Lizards and snakes, turtles, and crocodilians
What are the three groups of reptiles?
True or false: birds are probably closely related to dinosaurs.
What is true?
Most mammals develop in this organ in the mother
What is the uterus?
The internal temperature of a fish changes with the environment. This is known as what?
What is ectotherm or cold-blooded
Smooth and moist
What is the skin?
Protects the bodies of reptiles
What are scales?
Birds maintain a nearly constant internal body temperature; thus, they are ____________.
What are endotherms?
Specialized teeth in mammals divide them into these three groups
What are omnivores, carnivores, and herbivores?
Jawed, jawed cartilaginous, bony
What are the three types of fish
During cold temperatures, amphibians do this to survive.
What is hibernate?
Since they cannot breathe through their skin because of scales, they have a pair of these
What are lungs?
Like humans, birds have a _____-chambered heart.
What is four?
These glands are how mammals feed their young
What are mammary?
How many chambers does a fish heart have?
What is two
The female lays eggs, and the male deposits sperm on them.
What is external sexual reproduction?
Contains everything the embryo needs for development
What is the amniotic egg?
Mouth adaptation that allows a bird to crack open seeds
What is a beak?
What mammal has no nipples?
What is the platypus?