Final Exam 4 Flashcards
(34 cards)
Possess a brain case composed of ectodermal bone (subphylum)
Craniata
can synthesize cellulose (subphylum)
Urochordata
non-craniates; filter-feeders; circulatory pattern resembles that of fishes
Cephalochordates
fishes with cartilaginous skeletons; sharks, rays and skates
Chrondricthyes
Lizards (suborder)
Sauria
Salamanders
Urodela
Mammals that lay shelled eggs; monotremes
Prototheria
Clade that includes bony fishes (Actinoptergii and Sarcoptergii); swimblader
Osteichthyes
Primary clade of fishes within the Actinopterygii; very diverse
Teleosts
tetrapods that lay eggs with jelly-coats; utilize skin as respiratory organ (class)
Amphibia
turtles or tortoises
Testudines
placental and marsupial mammals (subclass)
Theria
Hair and sweat glands are only found in this class
Mammalia
A notochord is
a series of cells with large vacuoles that are arranged in a tube-like sheath that extends the length of the body of chordates
This folds inward to form the dorsal, hollow nerve cord
neural plate
Which species releases slime when disturbed
Hagfish
The larva of the freshwater lamprey, the closely resembles the amphioxus lancelet in the
Ammocoete
Most terrestrial salamanders fertilize eggs by
internal fertilization; females pick up spermatophores deposited by males
reptiles are able to survive in dry areas very well in part because they
excrete nitrogenous waste as crystalline uric acid
The spiral valve
partially separates deoxygenated and oxygenated blood flow in amphibian hearts
name 3 characteristics of birds
contain B-keratin; four chambered hearts; feathers
How many fenestra do reptiles have
2, diapsid (3 total)
How many fenestra do mammals have
1, synapsid ( 2 total)
A female bird is ____ and possess ____ sex chromosomes
heterogametic; ZW