Vertebrates Birds, Reptiles, Amphibians

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 

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

The only group of animals that begin their lives breathing through gills in the water and as adults can live on land breathing with lungs

• amphibians
• arthropods
• mammals
• fish

My body is warm and covered in feathers.  I lay eggs which hatch into chickens.  What am I?

• Reptile
• Amphibian
• Mammal
• Bird

Fishes take in oxygen through their

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

The only group of animals that begin their lives breathing through gills in the water and as adults can live on land breathing with lungs

• amphibians
• arthropods
• mammals
• fish

I have dry and rough skin, lay eggs, breathe with lungs, and am ectothermic (cold-blooded). What am I?

• Fish
• Mammals
• Amphibians
• Reptiles

What group(s) are endotherms?

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