Marine Science 111 Lab Exam UPDATED ACTUAL Exam Questions and CORRECT Answers

Marine Science 111 Lab Exam UPDATED
ACTUAL Exam Questions and CORRECT
Answers
T/F: the alligator pond site is considered to be tidally influenced - CORRECT ANSWER -
False


T/F: The D.O. content at the marsh site is influenced by the physical mixing of the waves
crashing - CORRECT ANSWER - False


T/F: Evaporation of seawater will cause a decrease in salinity in that water - CORRECT
ANSWER - False


T/F: The process of photosynthesis will increase the D.O. in water - CORRECT
ANSWER - True



T/F: The marsh site is to be considered tidally influenced - CORRECT ANSWER - True


Which field site would have the most D.O. due to the process of physical mixing?
a) Pond
b) Marsh

c) Ocean - CORRECT ANSWER - c) Ocean


What would cause the color of the water to be greenish or yellowish green?
a) Sediment
b) Pollution

c) Phytoplankton - CORRECT ANSWER - c) Phytoplankton


What would cause the color of the water to be brownish?

,a) Sediment
b) Phytoplankton

c) Cyanobacteria - CORRECT ANSWER - a) Sediment


What is the name of the field instrument we used to take the salinity, D.O. and the temperature of
the water at each location?
a) SSI
b) WiFi
c) YSI

d) Refractometer - CORRECT ANSWER - c) YSI


What was the name of the hand held field instrument we used to take just salinity of the water at
each location?
a) SSI
b) WiFi
c) YSI

d) Refractometer - CORRECT ANSWER - d) Refractometer


What is the name of the dominant plant found in the marsh?
a) Cordgrass or (Spartina alterniflora)
b) Live Oaks (Quercus virginiana)

c) Red Maple (Acer rebrum) - CORRECT ANSWER - a) Cordgrass (Spartina alterniflora)



2 species off birds for the HBSP - CORRECT ANSWER - White egrets and Blue herron



Name the main flora (plant) that we saw covering the dunes - CORRECT ANSWER -
Seaoats

, Explain why the marsh might see a lower D.O. than the other 2 sites. - CORRECT
ANSWER -



Crest - CORRECT ANSWER - top of the wave



Trough - CORRECT ANSWER - bottom of the wave



Amplitude - CORRECT ANSWER - top of wave to flat part of wave



Wavelength - CORRECT ANSWER - distance from crest to crest or trough to trough



Wave Height - CORRECT ANSWER - distance from crest to trough



Define wave period - CORRECT ANSWER - the time it takes for one wave to go past one
consecutive point


When the water depth is less than 1/20th of the wavelength we classify these waves as..
a) Deep water waves
b) Shallow water waves
c) Intermediate waves

d) Seismic waves - CORRECT ANSWER - b) Shallow water waves


The equation C=L/T, describes:
a) Amplitude
b) Wave Speed
c) Circular Motions

d) Wave Height - CORRECT ANSWER - b) Wave Speed