week 2 science Flashcards
What is an amphibian?
An animal that lives in water in its earl life and develops lungs to live on land.
How many chambers does a reptiles heart have?
3 chambers
Are reptiles ectothermic or endothermic?
Ectothermic
Are fish endothermic or ectothermic?
Endothermic
How do salamanders obtain food?
They stalk and ambush their prey.
How do fish breathe under water?
Their gills help them breathe under water.
How do you tell a crocodile and an Alligator apart?
A crocodile has a pointed snout and an Alligator has a broad snout.
How can a bird fly?
It can fly because it has hollow bones,air sacks,and wings and its body is very lightweight
What are the three different types of mammals?
Monotreme,Placental,and Marsupials
What is a monotreme mammal?
A monotreme is a mammal that lays eggs
What is a marsupial ?
A mammal that when its baby is developed it crawls into a external pouch on the mothers body.
What is a Placental mammal?
A mammal who’s baby develops inside the mothers body.
