Most adult amphibians live on what?
What is land?
Page: 395
What do fish use to swim?
What is fins?
Page: 394
Reptiles have scales and their skin.
What is waterproof?
Page:396
What is another name for a backbone?
What is the spinal column or spine?
Page: 394
All mammals are?
What is vertebrates?
Page:398
Amphibians skin is smooth and?
What is moist?
Page:395
Are fish invertebrate or vertebrates?
What is vertebrate?
Page: 394
Where reptiles lay their eggs.
What is land?
Page: 396
If you touch the back of your neck some of the bones you feel are some of your?
What is vertebrae?
Page: 394
Mammals tear and chew their food with?
What is teeth?
Page:398
Amphibians lay their eggs in moist environments, such as?
What is ponds?
Page:395
What part of the body absorbs oxygen gas from water?
What is gills?
Page: 394
How many chambers do reptiles hearts have?
What is three chambers?
Page;396
All vertebrates have digestive systems with how many openings?
What is two openings?
Page: 394
Mammary glands produces what that feeds young mammals?
What is milk?
Page:398
Do adult amphibians have lungs or gills?
What is lungs?
Page: 395
Fish are grouped into one of how many classes?
What is three classes?
Page: 394
Do reptiles have lungs or gills throughout their life?
What is lungs.
Page: 396
Vertebrates have well developed?
What is organ systems?
Page:394
A few mammals lay eggs such as the?
What is the duck-billed platypus.
Page:398
How many chambers does an amphibian's heart have?
What is three chambers?
Page: 395
What is a tough fibrous tissue that sharks have?
What is cartilage?
Page:394
Some reptiles lay their eggs with what kind of shells?
What is Leathery shells?
Page: 396
The spinal cord connects all the nerves in the body to the?
What is Brain?
Page:394
Most mammals have Hair or fur and?
What is mammary glands?
Page:398