Chapter 30 - Amphibians Flashcards
(10 cards)
What is the scientific name for the African clawed frog?
Xenopus laevis
What are the three types of environments that amphibians can live in as adults?
Aquatic, semi-aquatic, terrestrial
What is neoteny?
A characteristic of axolotls in which they reach maturity without undergoing metamorphosis.
What are three benefits of the slimy protective layer of amphibian skin?
Prevents mechanical damage to the skin, retains body fluids, provides a barrier to pathogens.
What does “ectothermic” mean?
Body temperature is regulated by the external environment.
Using wet gloves when handling amphibians serves what purpose?
Preserves their protective skin secretions.
What is the recommended housing density for newly hatched tadpoles?
50 per liter of water
What anatomical feature does the Xenopus laevis lack that is common to most amphibian species?
A tongue.
What anatomical feature do amphibians have in common with birds?
Cloaca
Where is the tympanic membrane located in an amphibian?
Behind the eye.
