Topic Test

Question 1

The principle difference between where salt marshes and mangrove forests grow is the salinity of the water.

Revolt · Accepted Answer

F

Question 2

Why are coral reefs overexploited?a.Coral is an important food resource.b.Coral and its organisms are valuable commodities in the aquarium industry.c.Coral reefs inhibit recreational activities.d.All of the above

Revolt · Accepted Answer

B

Question 3

Legislation has been ineffective at preserving coral reefs.

Revolt · Accepted Answer

F

Question 4

How has human use of salt marshes changed over time?a.Humans have come to value salt marshes and now seek to preserve and restore them.b.Humans now use drained salt marshes exclusively for agriculture.c.Humans have begun to use salt marshes for landfills.d.Humans have begun to use marsh land for housing and commercial development.

Revolt · Accepted Answer

A

Question 5

The U.S. Integrated Ocean Observing System (IOOS) is best described as _______.a.a public and private partnership to increase understanding of the oceansb.a program to improve ocean safetyc.a partnership aimed at protecting the environmentd.all of the above

Revolt · Accepted Answer

D

Question 6

Question is locked

Revolt · Accepted Answer

F

Question 7

It is crucial to study ocean microbes because _______.a.they control the major biogeochemical cycles that keep Earth’s biosphere in balance b.they are a significant source of greenhouse gases and pollutionc.they are frequently used as food sources in developing nationsd.they provide a significant alternative energy source used to replace coal and oil

Revolt · Accepted Answer

A

Question 8

Question is locked

Revolt · Accepted Answer

B

Question 9

Which of the following is most negatively affected by fishing practices?a.deep sea coralsb.ocean microbesc.methane hydratesd.autonomous underwater explorers

Revolt · Accepted Answer

A

Question 10

Question is locked

Revolt · Accepted Answer

B

Topic Test Answers

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