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LatinSub-

Phylum Vertebrata

AmphibiansIs it the Truth?

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Fishes

amphi-

(a) Aquatic(b) Quick(c) Double(d) Jointed

tetrapod-

(a) Four feet(b) No feet(c) Large feet(d) Grow feet

-gnathus

(a) Mouth/Jaw (b) Bone/Cartilage(c) Sperm/Egg-layer(d) Slither/Slider

anura-

(a) Legless(b) Strong bodied(c) Without tail(d) Adaptive

chondros-

(a) Cartilage(b) Predatory(c) Teeth(d) Jawed

Which of the following is the LEAST likely to be a

characteristic shared by ALL vertebrates?

(a) Backbone (b) Scales(c) Cranium(d) Endoskeleton

Which of the following is the correct NUMBER of vertebrate

classes under Phylum Chordata?

(a) 4 classes(b) 5 classes(c) 6 classes(d) 7 classes

Of the following groupings, the one with the greatest species

richness would be…

(a) Fish Only(b) Amphibians + Reptiles(c) Reptiles + Birds(d) Birds + Mammals

Which of the following adaptations would be the LEAST

argued as important for vertebrate evolution.

(a) Fins(b) Senses(c) Jaws(d) Exoskeleton

Which group is given credit with being the first FULLY terrestrial

vertebrates?

(a) Amphibians (b) Reptiles(c) Birds(d) Mammals

In the single-loop circulation of a bony fish, blood is

forcefully pumped over the gills by the…

(a) Atrium(b) Ventricle(c) Sinus Venosus (d) Conus Venosus

The evolution of gill filaments arose as a need for early aquatic vertebrates to…

(a) Improve smell(b) Detect vibrations(c) Exchange gases(d) Swim better

Evolution of different fins improved swimming, but the fin (or fins) that are largely responsible for propulsion

forward is/are the…(a) Dorsal Fins(b) Anal Fin (c) Pelvic Fins(d) Caudal Fin

Of the following, which adaptation is the LEAST likely

to be employed by a shark while hunting fish?

(a) Olfactory Senses(b) Lateral Lines-Vibrations(c) Detection of endothermy(d) Electroreceptors in head

Which characteristic below is found ONLY in aquatic

vertebrates?

(a) Calcified endoskeleton(b) Bony Cranium(c) Cartilaginous endoskeleton(d) Segmented vertebrae

To aid in the process of respiration, MOST adult

amphibians make use of their small lungs as well as their…

(a) Skin(b) Gills(c) Cloaca(d) Cerebrum

One factor that may have favored the evolutionary

migration of aquatic-life TO terrestrial-life was…

(a) Colder oceans(b) Increased food on land(c) Decreased oceanic competition(d) Increased predation on land

The direction that air flows when a frog inhales or exhales

is regulated by its…

(a) Diaphragm(b) Nostrils(c) Floor of Mouth (d) Lungs

(a) Amplexus(b) Digestion(c) Fertilization (d) Metamorphosis

An amphibian hormone, thyroxine, when circulating in

the bloodstream, will stimulate which event…

If a lab frog is induced into a coma (breathing but

unconscious), it is expected that which part of the brain

would be maintaining its life?

(a) Cerebrum(b) Olfactory Lobe(c) Cerebellum(d) Medulla Oblongata

(a) True(b) False

Fish, amphibians, reptiles, birds, and mammals are vertebrates belonging to

Phylum Chordata.

It is suggested that the limbs of terrestrial vertebrates may have evolved from the lobed-

fins of fish.

(a) True(b) False

A tympanic membrane protects and moistens an amphibian

eye.

(a) True(b) False

Frog are among the first vertebrates to evolve a true

four-chambered heart for circulation.

(a) True(b) False

Marine fish contain lower amounts of solute than seawater, and thus

tend to urinate less often than freshwater fish.

(a) True(b) False