BIO209

A. The structure that encases the body of urochordates is the _________

B. Fowls belong to the bird order _________

C. In Chordates, ____________ is a stiff but flexible rod made up of tightly packed vacuolated cells held in position by a firm sheath.

D. In chondrichthyes, buoyancy is supported by: __________

E. Chordates are animals with with _______

F. The pectoral and pelvic fins of chondrichthyes are:_________

G. __________ are the third largest of the rodents (63-91 cm long; 5.4-16 kg), behind the capybara and the beaver.

H. The __________ (Hydrochoerus hydrochaeris) is the largest extant rodent in the world (weighing up to 91 kg).

I. Which of the following is not a feature of vertebrates?

J. The stage at which the notochord in urochordates is found is the __________ stage

K. Porcupines (spined pigs) are rodents with a coat of sharp spines, or quills, which the animal uses for __________ or camouflage from predators

L. In adult amphibians, gas exchange takes place through the ________ and lungs

M. The Class Ostracodermi, now extinct, were characterized for lack of: _________

N. The osteichthyes are __________ fishes

O. _________ are normally wild and have relatively longer ears than rabbits and usually larger than rabbits

P. Animals that are characterize with webbed feet are called __________

Q. The home region of urodels (tailed amphibians) is the ___________ region

R. ________ is aquatic animal that is capable of boring into the body of its prey, devouring all the soft parts and leaving the skin behind as an ordinary empty shell, held by bones.

S. In the hemichordates, the notochord is located in the _______

T. Vertebrates are considered as: __________

U. The ostracoderms are: ______________

V. A marine invertebrate chordate with pointed ends, well-defined notochord, body segmentation and head is a ________

W. In vertebrates, the notochord has been replaced by _________

X. The body of hemichordates is divided into proboscis, collar and _________

Y. The skin of amphibians is: __________

Z. Animals that are characterize with gills is referred to as __________

AA. Zoogeography is often divided into two main branches: " _________ zoogeography" and "historical zoogeography"

AB. The name cyclostomata connotes: __________

AC. Rats, Mice, Guinea pigs belong to the Order of Mammals called ________

AD. Gnathostomes are vertebrates ____________

AE. The amniotic membrane is found in: __________

AF. It is believed that chordates originated from _________

AG. The eggs of amphibians do not have _________

AH. A marine invertebrate chordate with pointed ends, well-defined notochord, body segmentation and head is a ____________

AI. Chondrichthyes are _________ fishes

AJ. Apes and monkeys belong to the Order of Mammals called ________

AK. Rabbits and hares belong to the Order of Mammals called _________

AL. Zoogeography describes the distribution of __________ across the globe

AM. The urodeles are amphibians with: ________

AN. The body scales of chondrichthyes can be described as: ___________

AO. The anurans are amphibians without: ____________

AP. The amphibians are animals that live in __________ and land

AQ. Frogs are better adapted for living on land than toads because they have: _________

AR. Gnathostomata refers to jawed _________

AS. Larvaceans are: ___________

AT. Tetrapods have ___________ number of limbs

AU. The Class Placodermi, now extinct, were noted for having: ______________

AV. Chordates with skull are referred to as _________

AW. The prefix "cephalo" connote _______

AX. The osteichthyes have: __________

AY. In the anurans: ___________

AZ. Which of the following is not a feature of the superclass Agnatha?