Lab Practicum #3 Flashcards
Class Chondrichthyes
shark
What is the function of the spiracles?
Allows water to flow into the gill chamber
How do you know if a shark is a male or a female?
On the ventral side, there are no claspers on the cloaca if it is a female.
Class Octheichthyes
Fish
What is the function of the air bladder?
Controls the fish buoyancy.
How many chambers does a fish heart have?
2 chambers
Class Amphibia
Amphibians
What phylum do all of these organisms belong to?
Phylum Chordata
what subphyla do all of these organisms belong to?
Subphyla vertebrata
what are the three orders in class Amphibia?
Order Gymnophiona, Order Urodela, Order Anura
Example of order gymnophiona
Caecilians
Example of order Anura
Frogs and Toads
Example of order urodela
Salamanders
What traits are specific to order Anura
Absence of tail in adulthood
What traits are specific to order Urodela
Has tail
What traits are specific to order Gymnophiona
without legs
how is a frogs tongue unique?
It isn’t attached the way back.
Class Reptilia
Reptiles
What are the orders of Class Reptilia?
Order Spenodonia(tuatara)
Order Testudines(turtles)
Order Squamata(lizards/snakes)
Order Crocodilia(crocodiles)
What traits are specific to Order Spenodonia
No external ears
What traits are specific to Order Testudines
Shell
What traits are specific to Order Squamata
Scaled skin, snakes- loss of limbs
What is Class Aves
birds
What are some characteristics that are specific to birds?
scales on legs, beak, toothless, feathers