What type of skeleton to the Osteichthyian fishes have?
BONY
Describe the body form of caudates/caecilians
WORM-LIKE
Where are the ribs located in turtles/tortoises?
FUSED TO INTERIOR OF CARAPACE
What is the most distinguishing feature of birds?
FEATHERS
What is the key characteristic of mammals?
PRODUCTION OF MILK(MAMMARY GLANDS)
List the 4 major characteristics of all chordates.
NOTOCHORD/TUBULAR NERVE CHORD/PHARYNGEALPOUCHES AND GILL SLITS/ POSTANAL TAIL
List the ways/structures that amphibians exchange gases.
GILLS/LUNGS/SKIN
Which group of reptiles have a 4 chambered heart?
CROCDILIANS
Which senses are well-developed in birds?
Which senses are poorly developed in most bird species?
VISION AND HEARING
SMELL AND TASTE
List an example of a monotreme.
PLATYPUS, ECHIDNA
What type of organisms belong to superclass Agnatha?
JAWLESS FISHES
How do male frogs attract female frogs for mating?
VOCALIZATIONS
Which type of skull is found in reptiles and birds?
DIAPSID
Which part of a feather extends beneath the skin?
QUILL/CALAMUS
Most mammals have teeth that are different. What term represents that characteristic?
HETERODONT
What type of scales do sharks, rays, & skates have?
PLACOID SCALES
What type of fertilization occurs in anurans?
EXTERNAL FERTILIZATION WITH AMPLEXUS
To which sub order do the lizards belong?
SAURIA
Which super-order contains the modern birds?
NEOGNATHAE
List 3 functions of hair in mammals.
INSULATION & PROTECTION; CAMOFLAAGE OR WARNING; SENSORY
Which subclass contains the ray-finned fishes?
ACTINOPTERYGII
Define neotony or paedomorphosis.
RETAIN LARVAL CHARACTERISTICS AS AN ADULT
Which type of venom breaks down red blood cells and leads to blood clotting or massive bleeding?
HEMOTOXIC
List four characteristics of a bird’s skeleton that makes them adapted to flight.
FUSED VERTEBRAE; AIRCAVITIES WITHIN BONES; FUSED CLAVICLES; KEELED STERNUM
What is another term for marsupials?
METATHERIANS