Exam 1

Navigation » List of Schools » Santa Monica College » Biology » Biol 15N Marine Biology » Winter 2020 » Exam 1

Need help with your exam preparation?

Below are the questions for the exam with the choices of answers:

Question #1

A _____ uses metabolic energy to heat its body. A _____ loses metabolic heat and must maintain body temperatures using alternative means.

A pokilotherm, homeotherm

B ectotherm, endotherm

C endotherm, pokilotherm

D endotherm, ectotherm

E homeotherm, endotherm

Question #2

The process in which the continental land masses have moved their positions on Earth’s surface due to plate tectonics is known as __________.

A continental drift

B geotaxis

C geoforming

D continental uplift

E contiental rise

Question #3

The nutrients __________, __________, and __________ are often scarce in the water column because they are used up quickly by autotrophs during photosynthesis.

A Phosphorous, Carbon, Oxygen

B Iron, Zinc, Nitrate

C Nitrate, Phosphorous, Iron

D Sulfur, Oxygen, Carbon

Question #4

Seawater turbidity and dissolved materials influence light penetration. In temperate waters, ___________ wavelengths (color) of light penetrate the furthest into seawater, whereas in tropical waters ___________ light travels the deepest.

A green, blue

B blue, green

C blue, blue

D red, green

Question #5

The metabolic wastes excreted by herbivores, as well as other dissolved organic particles are known as _____________ and are an energy source for deep sea organisms.

A marine snow

B nitrogenous waste

C marine debris

D dissolved organic carbon

Question #6

When oceanic plates collide with continental plates, which plate is subducted?

A oceanic plate

B continental plate

C it depends

D both

Question #7

The largest continuous geological feature on earth is the _____.

A Pacific Ocean

B Mariana Trench

C Mid-Atlantic Ridge

D Puerto Rico Trench

E Rocky Mountains

Question #8

The founder of modern oceanography and marine biology is often credited as British naturalist Charles Darwin.

A FALSE

B TRUE

Question #9

In organisms known as ____________, the salt content of their cellular tissues is identical to that of the surrounding seawater; on the other hand, _________ are able to control the salt content of their internal body fluids.

A ionoconformer, ionoregulator

B osmolytes, ectolytes

C osmoconformer, osmoregulator

D ectotherms, homeotherms

E homeotherms, ectotherms

Question #10

Two ions, ____________ and ____________, comprise about 85% of the solutes in seawater. (Choose two).

A silicon

B chloride

C sodium

D iron

E magnesium

Question #11

Seasonality in temperate and polar waters produces a shallow _______ in the surface layer, however, in the tropics this phenomena is absent.

A seasonal thermocline

B wind-driven upwelling zone

C regional nutrient enrichment

D gyre

Question #12

Earth goes through periods of glaciation and alternating interglacial periods. Earth is currently in a _________ period, that began at the end of the __________ ~11,700 years ago.

A glaciation, Silurian

B interglacial, Holocene

C glaciation, Miocene

D interglacial, Pleistocene

E interglacial, Paleocene

Question #13

The blood of marine fish is less salty relative to seawater and they _____ salt along their gills; freshwater fish blood is more salty than freshwater and they ____ salt at the gills.

A concentrate, gain

B lose, gain

C gain, concentrate

D gain, lose

Question #14

Who were the first marine scientists to travel around the Pacific Ocean using natural phenomena as their navigational tools?

A Ferdinand Magellan

B Vikings

C Pacific Islanders

D Captain Cook

Question #15

Which of the following are considered to be branches of marine science?

A All of these

B Zoology

C Physics

D Anthropology

E Chemistry

Question #16

The east coast of the United States is a passive margin characterized by:

A Steep and rocky shorelines

B Mountains along the coast

C Offshore trench

D Short continental shelf

E Gentle continental slope

Question #17

Trenches are formed where:

A Sea floor spreading takes place

B A plate splits and opens up

C A plate moves above another

D A plate is lifted by another

E A plate sinks beneath another

Question #18

There is scientific evidence that the earth and the rest of the solar system formed approximately:

A 10.5 billion years ago

B 1 billion years ago

C 5 million years ago

D 10 million years ago

E 4.6 billion years ago

Question #19

The world’s largest and deepest ocean:

A Indian Ocean

B Antarctic Ocean

C Atlantic Ocean

D Pacific Ocean

E Arctic Ocean

Question #20

An earthquake occurred off the island of Java. Afterwards an ocean buoy detects a wavelength of 42 ft. Scientists in Hawaii are determining whether this is a sign of an approaching tsunami. Based on the relationship of wavelength to wave-height, the approaching wave is estimated to be _______ ft and an alarm is ______.

A 6, called off

B 60, called off

C 100, announced

D 700, announced

E 83, announced

Question #21

The major surface currents of the oceans rotate counterclockwise in the _____ hemisphere and clockwise in the ______ hemisphere.

A Northern, Northern

B Western, Eastern

C Northern, Southern

D Southern, Northern

E Southern, Southern

Question #22

Glucose is an example of a:

A Carbohydrate

B Protein

C Hormone

D Lipid

E Starch

Question #23

A ______ maintains a constant body temperature. An organisms that lacks thermoregulation and has a variable body temperature is a _______.

A osmoconformer, osmoregulator

B homeotherm, poikilotherm

C poikilotherm, homeotherm

D endotherm, ectotherm

E poikilotherm, osmoconformer

Question #24

The modern scientific method is based on the work of:

A Aristotle

B Plato

C Posidious

D Neptune

E Herodotus

Question #25

Gyres are:

A The driving force behind hurricanes and typhoons

B Found only in the Pacific Ocean

C Influenced by the Coriolis effect only in the Northern Hemisphere

D Limited to continental margins

E Large circular systems of surface currents

Question #26

All of the following are examples of asexual reproduction EXCEPT:

A Fertilization

B Fission

C Fragmentation

D Budding

E None of the above

Question #27

Which of the following ocean bottom-types is composed of a large number of shell pieces secreted by life forms?

A Terrigenous

B Hydrogenous

C Biogenous

D Diogenous

E None of the above

Question #28

After World War II, which of the following technological developments opened the doors to new reseach areas in marine science?

A Sonar

B Deep-water dredges

C Marine laboratories

D Research vessels

E Nets

Question #29

Phylogenetics is the study of _________.

A organisms’ evolutionary history

B evolutionary time

C drivers of environmental change

D organisms’ physiological ecology

Question #30

Which of the following is NOT one of the world’s major ocean basins:

A Pacific

B Antarctic

C Arctic

D Indian

Question #31

The rule of constant proportions states that within the ocean:

A Sodium varies with depth

B Salinity varies with location

C Chlorine varies with location

D Salinity varies with season

E Ion concentrations don’t change

Question #32

Which of the following organic molecules store energy, provide insulation, make up cell membranes, and assist in buoyancy?

A Nucleic Acids

B Lipids

C Amino Acids

D Proteins

Try The Exam

Fresh Grad Lands Job as Real Estate Agent With Help from Professional Writers

Need help with your exam preparation?

Below are the questions for the exam with the choices of answers:

Christian S.

Tyra

Linda

Manush

We accept payment