9th Grade Biology- Amphibians, Reptiles, and Birds
Drawback of ectothermy
Unable to warm themselves up internally
Cloaca
common opening for digestive, urinary, and reproductive tracts
The eggs of a reptile are
Shelled
The eggs of an amphibian are not ___________.
Shelled
Frog skin is
Slimy
Benefit of ectothermy
does not require as much energy as endothermy
Amphibians go through ___________.
metamorphosis
Tetrapod
vertebrate with four limbs
Ectothermic
cold blooded
How many species of amphibians
6,200
The skin of a reptile is
Dry and scaly
Toad skin is
Dry and warty
Where can amphibians be found?
Forests, woodlands, meadows, springs, streams, rivers, lakes, ponds, swamps
What is the protein in amphibian skin
Keratin
Caecilians don't have
Legs
How do amphibians keep their skin moist
They secrete mucus
4 examples of amphibians
Toads, frogs, salamanders, newts
What are the four orders of reptiles
Turtles, tuatara, lizards and snakes, crocodiles