Animal Kingdom - Vertebrates

I breathe with lungs, lay eggs, am ectothermic (cold-blooded), and often have scaly skin which holds in the water.  What am I?  

• fish
• mammals 
• birds
• reptile 

I live part of my life in water and part on land.  I am born with gills but grow lungs.  I am ectothermic (cold-blooded).  I have moist smooth skin.  What am I? 

• fish
• bird
• amphibian 
• mammal

Metamorphosis occurs in

• fish and amphibians
• amphibians
• fish, amphibians, and reptiles
• amphibians and reptiles

Frogs, toads, and salamanders are all examples of which class?

• Amphibians
• Reptiles
• Birds
• Mammals

Turtles, lizards, snakes and crocodiles are all examples of what class?

• Amphibians
• Reptiles
• Birds
• Mammals

As adults, amphibians breathe through _____________.

• Gills and skin
• Lungs and gills
• Lungs and skin
• Feet

I breathe with gills, lay eggs, live my whole life in water, and am ectothermic (cold-blooded). What am I?

• birds
• fish
• mammals
• amphibians 

I breathe with lungs, lay eggs, and am endothermic (warm-blooded).  What am I?  

• birds
• fish
• mammals
• amphibians 

Fish take in oxygen through their

• fins.
• gills.
• scales.
• vertebrae.

What group(s) are endotherms?

• birds & reptiles
• mammals & birds
• mammals & reptiles
• mammals & dinosaurs