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