Station 13 Order Anura – What does the word anura mean? What does this clade consist of? When does the appear? When does the molecular clock date them? oldest “protofrog” Where is the greatest concentration of species diversity of anurans? Station 14 Anura General Characteristics – – What does the term usually refer to? “frog” What does the term usually refer to? “toad” Station 15 Other Anura General Characteristics Defense – – – What is the toxic substance on frogs called? What is the name of the poison glans on toads? What do poison dart frogs secrete? Where do they get this poison? What is the term for them advertising their toxicity? Station 16 Order Anura General Characteristics Features – – – Where is the tongue attached? What acts like an eardrum? What is the name of the transparent membrane? Note the skeleton and the preserved specimen of the frog. What are the three functions of the skull? Is the skeleton as flexible as the fish skeleton? Why? What is the function of the pectoral girdle?
Station 13 – Order Anura What does the word anura mean? What does this clade consist of? When does the oldest “protofrog” appear? When does the molecular clock date them? Where is the greatest concentration of species diversity of anurans? Station 14 – Anura – General Characteristics What does the term “frog” usually refer to? What does the term “toad” usually refer to? Station 15 – Other Anura – General Characteristics – Defense What is the toxic substance on frogs called? What is the name of the poison glans on toads? What do poison dart frogs secrete? Where do they get this poison? What is the term for them advertising their toxicity? Station 16 – Order Anura – General Characteristics – Features Where is the tongue attached? What acts like an eardrum? What is the name of the transparent membrane? Note the skeleton and the preserved specimen of the frog. What are the three functions of the skull? Is the skeleton as flexible as the fish skeleton? Why? What is the function of the pectoral girdle?