Lecture 1

Question 1

True or False: No living things exist in the ocean below 1,800 feet deep.

Answer 1

False, there is still some life at these depts of the ocean.

Question 2

Order the following from earliest to most recent
a. satellite remote sensing
b.scuba
The first marine lab

Answer 2

c. the first marine lab
b. scuba
a. satellite remote sensing

Question 3

Density is higher in sea water than air?

Answer 3

true

Question 4

Viscosity is higher in sea water than air?

Answer 4

true

Question 5

is oxygen higher in sea water than air?

Answer 5

no, it varies

Question 6

is pressure higher in sea water or air?

Answer 6

seawater

Question 7

is light higher in sea water or air?

Answer 7

air, because the deeper you go into the ocean the less light there is

Question 8

What is a major human impact on ocean ecosystems?

Answer 8

overfishing

Question 9

What is eutrophication?

Answer 9

excess nutrients due to fertilizer runoff leads to dead zones

Question 10

What does pelagic mean?

Answer 10

the middle of open water

Question 11

what does subtidal mean?

Answer 11

always covered by water

Question 12

aphotic zone

Answer 12

no sunlight

Question 13

photic zone

Answer 13

yes sunlight

Question 14

abyssal zone

Answer 14

the deepest zone