In amphibians, gases are exchanged through lung breathing and through the
A) skin
Amphibians without tails are classifies in the order
A) Anura
Newts and salamanders are amphibians of the order
B) Caudata
Amphibians that have slender bodies and no limbs are classified as
A) caecilians
Some type of skeletal support
a) exists in all animals, whether they are
aquatic or terrestrial
b) was necessary for animals to leave aquatic
environments
c) is present primarily in land vertebrates
d) evolved
first in reptiles
b) was necessary for animals to leave aquatic
environments
Which of the following characteristics of the skeletons of frogs are
adaptations for jumping?
a) forelimbs attached to a pectoral girdle and
hindlimbs attached to a pelvic girdle
b) fusion of bones of the hind
limbs and of the vertebral column
c) cervical vertebrae
d) bony
vertebral column
b) fusion of bones of the hind
limbs and of the vertebral column
The amphibian heart
oxygenated blood
D) pumps both deoxygenated and
oxygenated blood
The amount of oxygen
a lung can absorb depends primarily on
B) its internal surface area
Frogs breathe by
a) changing the volume and pressurein their chest cavity
b) allowing air currents they encounter as they
move to inflate their lungs
c) changing the volume and pressure of air
in their mouth
d) expanding and contracting the muscles of the rib cage
a) changing the volume and pressurein their chest cavity
Adult frogs, like other amphibians, are
A) carnivores
Which of the following senses is not more developed in amphibians than
in bony fishes?
B) lateral line system
The series of changes in the life cycle of a frog is called
D) metamorphosis
During metamorphosis in frogs,
D) all of the above
Which of the following is not a method used by at least some frogs for caring for fertilized eggs as they develop?
A) laying egss on land
The word amphibian is derived from Greek words meaning
D) double life
Which of the following is not evidence that amphibians evolved from a lobe-finned fish?
C) Amphibians are still alive, while lobe-finned fishes are extinct.
Amphibians have thin, moist skin
D) to allow easier gas exchange.
All terrestrial heart
B) have a double-loop circulatory system.
Pulmonary veins carry blood from the
B) lungs to the heart.
Which of the following is not a preadaptation in the transition from aquatic to terrestrial life?
B) a lateral line system.
Male frogs attract females by means of
B) vocalizations
Frogs reproduce in water or moist places because their eggs
D) All of the above
Which of the following is a reptilian adaptation to living on land?
C) The amniotic egg
Reptiles are
A) Ectothermic
Unlike other living reptiles, crocodilians
D) Care for their young after hatching
Some animals are oviparous. This means their young
A) Hatch from eggs laid outside the mother’s body
The chorion and amnion are
D) protective membranes in reptile, bird, and mammal eggs
Crcodilians are
A) carnivorous
Autotomy in lizards and other animals is the ability to
C) detach a limb when attacked by a predator
Snakes are reptiles for the order
B) Squamata
The heat-sensing organs between the eyes and nostril on each side of the head of a rattlesnake are the
A) pit organs
Scientific evidence suggests that birds arose from
C) dinosaurs
The earliest flying vertebrates were
A) dinosaurs
Which of the following is not a function of contour feathers?
B) food capture
A bird’s skeleton is
D) all of the above
Birds excrete most of their nitrogenous wastes as
B) uric acid
Which of the following statements is not a true statement providing evidence for the hypothesis that birds evolved from a dinosaur ancestor?
D) Dinosaurs lack a collarbone, as do birds.
The tuataras are named for the
a) spiny crest on their back.
c) the islands they inhabit.
b) large size.
d) the prey they eat.
a) spiny crest on their back.
a bird's heart has
C. four chambers
lungs and air sacs are structures of the respiratory system of a(n)
C. bird
The eggs of reptiles, birds, and mammals are surrounded by
C. watertight membranes
The outermost membrane of a reptilian egg is the
C. chorion
Which of the following associations between a bird order and a member of the order is incorrect?
B. Passeriformes - swan
Melodious songs are characteristics of ______ songbirds.
B. male
The syrinx of a bird functions in
D. producing songs
The syrinx is located at the base of a bird's
A. trachea
Mammals, as well as birds, have
B. a four-chambered heart
The large eye sockets on early mammals suggest that the mammals
B. were active at night
What adaptions did therapsids and mammals share?
D. All of the above
Mammals arose from early reptiles called
A. therapsids
Which of the following statements about the earliest mammals is true?
D. they coexisted with dinosaurs but did not compete with them for food and other resources
The sheet of muscle at the bottom of the rib cage of mammals is called the
A. diaphragm
The skin of reptiles is
D. dry and watertight
Evaporation of body water can be limited by
D. All of the above
Reptiles, except for alligators and crocodiles, have a heart that has
D. two atria and one partially divided ventricle
While frogs breathe by changing the air pressure in their mouths, reptiles breathe by
a. expanding and contracting the muscles of their lungs
b. contracting the rib cage
c. changing the air pressure in their thorax
d. taking in air they encounter as they move
Endothermic animals
B. have bodies whose metabolisms maintain a constant internal temperature
Which of the following is not a reason for the success of the dinosaurs?
A. a predominantly carnivorous diet
Turtles belong to the order
B. chelonia
Unlike other reptiles, turtles and tortoises
A. do not have teeth
Birds are different from reptiles in that they
D. All of the above
Which of the following characteristics of birds is not found in Archaeopteryx?
A. beak
The first wings appearing on animals are thought to have been used for
D. All of the above
Feathers
D. took the place of scales as the body covering of birds
Which of the following would contour feathers most closely resemble when seen under a microscope?
C. a chain-link fence
The bones of birds
A. are thin and hollow
A bird's crop
C. temporarily stores food
Food taken into a bird's body is ground up in the
A. gizzard
Bird respiration is very efficient because
D. a system of air sacs permits birds to have oxygenated air in their lungs during both inhalation and exhalation
Talons would most likely be found among birds that
C. capture their prey
Large, flat feet would most likely be found on birds that
D. cannot fly
A recently developed way to infer relationships among species of birds is the study of
A. DNA
The asteroid impact hypothesis suggests that the mass extinction of dinosaurs was the result of
D. a meteorite that struke Earth and caused thick dust clouds
