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BIOL 181 UMGC Life in The Oceans Quiz 2

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BIOLOGY 181 LIFE IN THE OCEANS
UMGC
QUIZ 2
1. Sharks are able to sense electric field by means of organs called the:
a. Ampullae of Lorenzini
b. Choroid
c. Ocelli
d. Ommatidia
e. Tapetum lucidum
2. This layer of reflective guanine crystals behind the retina that increases visual acuity under
low light levels is called the:
a. Ampullae of Lorenzini
b. Choroid
c. Ocelli
d. Ommatidia
e. Tapetum lucidum
3. The regulation of salt and water balance is called:
a. Homeostasis
b. Homeothermy
c. Homoplasy
d. Osomregulation
e. Thermoregulation
4. Marine mammals possess abundant supplies of this protein in the muscles to store oxygen for
use during deep dives:
a. Chlorocruorin
b. Myoglobin
c. Myosin
d. Tropomyosin
e. Troponin
5. The closest living relative of the cetaceans is the:
a. Beaver
b. Elephant
c. Hippopotamus
d. Sea lion
e. Wolf

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6. The closest living relative of the sirenians is the:
a. Beaver
b. Elephant
c. Hippopotamus
d. Sea lion
e. Wolf
7. Organisms that are adapted to a wide range of salinities are called:
a. Euryhaline
b. Eurythermal
c. Stenohaline
d. Stenotic
8. Each of the following is an adaptation of intertidal organisms for low temperatures EXCEPT:
a. Antifreeze compounds
b. Compact bodies
c. Dark colors
d. Ridged shells
9. Estuaries that are formed by drowned river valleys are called:
a. Bar-built estuaries
b. Coastal plain estuaries
c. Fjords
d. Salt-wedge estuaries
e. Tectonic estuaries
10. Estuaries carved out by glaciers are called:
a. Bar-built estuaries
b. Coastal plain estuaries
c. Fjords
d. Salt-wedge estuaries
e. Tectonic estuaries
11. A coral reef built atop a submerged volcano is called a(n)
a. Atoll
b. Barrier reef
c. Fringing reef
d. Platform reef

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BIOLOGY 181 LIFE IN THE OCEANS UMGC QUIZ 2 1. Sharks are able to sense electric field by means of organs called the: a. Ampullae of Lorenzini b. Choroid c. Ocelli d. Ommatidia e. Tapetum lucidum 2. This layer of reflective guanine crystals behind the retina that increases visual acuity under low light levels is called the: a. Ampullae of Lorenzini b. Choroid c. Ocelli d. Ommatidia e. Tapetum lucidum 3. The regulation of salt and water balance is called: a. Homeostasis b. Homeothermy c. Homoplasy d. Osomregulation e. Thermoregulation 4. Marine mammals possess abundant supplies of this protein in the muscles to store oxygen for use during deep dives: a. Chlorocruorin b. Myoglobin c. Myosin d. Tropomyosin e. Troponin 5. The closest living relative of the cetaceans is the: a. Beaver b. Elephant c. Hippopotamus d. Sea lion e. Wolf 6. The closest living relative of the sirenians is the: a. B ...
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