Bio 204 Lab 14
1. Name two apomorphies for Amphibia: four digits on front legs and poison glands in skin
2. Name two apomorphies for Apoda: two rows of teeth and tentacle sense organ
3. In what two ways to salamanders and other terrestrial amphibians obtain
oxygen?: through skin and sac like lungs
4. What is the stapes and what is it's function?: found in middle ear cavity, picks up vibrations
5. what are the functions of the eyelids?: moistons and cleans corneal surface, prevents drying of
the cornea
6. How many digits are on the forelimbs of salamanders and frogs?: 4
7. For which group is 4 digits on forelimb an apomorphy for?: amphibia
8. Name two apomorphies of Anura: loss of tail in adults and front and hind limbs in unequal sizes
9. What is unique about the hindlimbs of frogs?: they are much longer than forelimbs
10. How do long hindlimbs help frogs?: helps them jump higher and further
1. Name two apomorphies for Amphibia: four digits on front legs and poison glands in skin
2. Name two apomorphies for Apoda: two rows of teeth and tentacle sense organ
3. In what two ways to salamanders and other terrestrial amphibians obtain
oxygen?: through skin and sac like lungs
4. What is the stapes and what is it's function?: found in middle ear cavity, picks up vibrations
5. what are the functions of the eyelids?: moistons and cleans corneal surface, prevents drying of
the cornea
6. How many digits are on the forelimbs of salamanders and frogs?: 4
7. For which group is 4 digits on forelimb an apomorphy for?: amphibia
8. Name two apomorphies of Anura: loss of tail in adults and front and hind limbs in unequal sizes
9. What is unique about the hindlimbs of frogs?: they are much longer than forelimbs
10. How do long hindlimbs help frogs?: helps them jump higher and further
