fish
What organ in a fish is used for navigating the animal up and down?
Swim blader
What group of amphibians have a right hand extent in their legs and arms?
Newts, Salamander, and Axolotls.
what is the texture of a reptile egg?
Leathery
How many species of mammals are able to lay eggs?
5
what do birds have instead of arms?
Wings.
What kind of fish produces slime as a defense mechanism
Hagfish
What group of amphibians goes through the most dramatic form of metamorphosis.(change the most when they go through metamorphosis)
Frogs/Toads
True or false reptiles have lungs
True
What are mammals with pouches called?
Marsupials
How many chambers does a birds heart have?
4
Sting rays are part of what group of fish?
cartilaginous fish
What is the most diverse group of amphibians?
Frogs/Toads
name one of the two places reptile cannot be found
tundra and polar areas
How many times do mammals replace their teeth?
once
True of False
Birds are the only vertebrates able to fly.
False
Bats can and they are mammals
What species of Fish has tooth shaped scales, known as “Placoids”
Cartilaginous Fish
What group of Amphibians have the highest Biodiversity in North America?
Newts, Salamanders, and Axolotls
what reptiles guard their nest
crocodiles/alligators and a few snakes
How many ear bones do mammals have?
3
what do air sacs do for birds?
They allow the bird to never run out of oxygen and always have oxygen inside their lungs
What is the hard flap the covers the gills on Bony fish called?
Operculum
What is it called to be able to breath out of your skin for Amphibians?
Cutaneous Breathing
what is the oldest order of reptiles
Crocodiles
Why do humans need help with child birth?
because of the size of our brains
on a birds egg what part of it is the hardest to crack?
The top or bottom