Filled with fluid, this protects and nourishes the developing baby
What is the amniotic sac
100
The three animal groups that are amniotes
What are birds, mammals, and reptiles
100
the number of chambers in a reptilian heart
What is 3
100
what birds directly evolved from
What are dinosaurs
100
The number of chambers in a mammalian heart
What is four
200
having to do with the body
What is "anatomy"
200
This adaptation in some amniotes allow them to run and breathe at the same time
What is the diaphragm
200
Reptiles are "cold-blooded"; their body temperature depends on the temperature of the outside environment. This is the scientific term.
What is ectothermic
200
The number of chambers in a bird's heart
What is four
200
Mammals can maintain their own body temperature. This is known as "warm-blooded", or by this scientific term
What is endothermic
300
Having to do with the lungs
What is "pulmonary"
300
All amniotes have one of these, central in their body
What is a heart
300
The four categories of reptiles
What are crocodilians, snakes, lizards, and turtles
300
Three parts of a bird's anatomy that can be different depending on the environment in which the bird lives
What are beak, wings, and claws
300
Four characteristics all mammals share
What are: Hair, Mammary glands, jaw for chewing, and 3 bones in the middle ear
400
live birth
What is "viviparous"
400
The amniote group that came first
What is reptile
400
"tough and leathery" is a good description of this
What is reptile eggs
400
A curved body- and/or wing-shape causing a difference of air pressure on top and bottom, producing lift
What is "airfoil"
400
THe three small bones in mammalian ears evolved from this
What is reptilian jaw bone
500
animals that hatch from eggs are this
What is oviparous
500
The two circulatory curcuits
What are the pulmonary and the systemic
500
What a snake is doing when it flicks its forked tongue
What is sensing its environment
500
This adaption in bird bones makes them weigh less
What is the bones are hollow
500
The three types of mammals
What are: Mammals that hatch from eggs (monotremes, such as the platypus), mammals that develop in a pouch (marsupials, such as kangaroos and koalas), and mammals that are born live (eutherians)