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Zoology Chordate-Mammal Review
Test Description: Zoology Chordate-Mammal Review
Instructions: Answer all questions to get your test result.
1) . Any animal that at some point during development had a notochord, a dorsal nerve cord and pharyngeal pouches is considered to be a _________.
A
mammal
B
vertebrate
C
chordate
D
shark
2) The system in fish that runs along the length of their body and allows them to feel slight vibrations in water is called:
A
placoid scale
B
operculum
C
lateral line
D
notochord
3) A notochord is:
A
convergent evolution
B
dorsal rod of specialized cells
C
small outpocket of the anterior gut
D
a hollow tube above the spine
4) In vertebrates, the dorsal nerve cord develops into the _________ and ________.
A
heart, lungs
B
ears, throat
C
legs, arms
D
spinal cord, brain
5) A _____________ is a set of bones or cartilage that surrounds the dorsal nerve cord.
A
vertebral column
B
skull
C
appendicular skeleton
D
axial skeleton
6) Which of the following lists includes the three classes of fishes?
A
Agnatha, Chondrichthyes, Osteichthyes.
B
Mammalia, Amphibia, Reptilia.
C
Vertebrata, Chordata, Ostracodermi.
D
Bass, Salmon, Catfish
7) What type of fish was dissected in class?
A
Perch
B
Bass
C
Parrott
D
A gross one.
8) What is the stage of inactivity Amphibians enter during the summermonths.
A
torpor
B
estivation
C
hibernation
9) Amphibians have a two-habitat life cycle which makes them a good _______.
A
biohazard
B
bioindicator
C
biodegradable
10) The enlarged finger on the foreleg for grasping in mating is found:
A
on both sexes
B
on a male only
C
on females only
11) In reptiles with toes modified for “suction cups” what causes the suction force?
A
suction cups on the bottom of their toes
B
tiny hairs that increase surface area
C
wet feet
12) Today __________ has had a very negative impact on the number of reptilian species.
A
flooding
B
human impact
C
wild fires
13) The most important adaptation for reptiles is the
A
waterproof skin
B
amniote egg
C
claws
14) Concerning frog anatomy, the tympanum is the
A
eyelid
B
eardrum
C
nostril
15) Where are most amphibian species located in the world?
A
in the oceans
B
Antarctica
C
near the Equator
16) Frogs, toads, newts and salamanders are all examples of what?
A
amphibians
B
crocodilians
C
reptiles
17) Both frogs and toads return to water to reproduce; their swimming larvae are called
A
hunchbacks
B
babies
C
tadpoles
18) The frog organ that has two atria and one ventricle is the
A
kidney
B
lung
C
heart
19) The digits of the frog are webbed on the
A
forelegs only
B
hind legs only
C
both hind legs and forelegs
20) The forelegs of the frog are __________ the hind legs.
A
shorter than
B
the same length as
C
longer than
*select an answer for all questions
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