The bodies of most fish are ________, meaning they have a shape that moves easily through water
Streamlined
How do fish breathe?
Through their gills. Water enters their mouths, passes over capillaries in the gills, which absorb oxygen and release carbon dioxide, and water exits the gills
Describe the two types of fish
"Bony Fish", which have a skeleton made of hard bones, and "Cartilaginous Fish", which have a skeleton made of softer, more flexible bones
Describe the two main groups of amphibians
"Anura" have strong back legs which helps them to jump and swim. "Urodela" have four legs of the same length and a long tail
Why do amphibians have long tongues?
To catch insects
Do most young amphibians have gills or lungs?
Most have gills when they are young and they develop lungs as they grow
True or False: There are three ways an adult amphibian can obtain oxygen
TRUE! Some adult amphibians use both lungs and gills. AND they can also obtain oxygen through their damp skin
True or False: Adult amphibians live underwater
FALSE! They are land animals, but spend time in water
Describe 3 main types of reptiles (30 points)
"Squamata": have scales and long tongues. "Testudines": have shells. "Crocodilia": Reptiles with strong jaws and teeth
What does a reptile's thick skin prevent?
Their thick skin prevents them from drying out
What are three reasons that birds have feathers? (30 points)
1. To control body temperature 2. Help it to fly 3. Colourful feathers attract a mate
