Salt Marshes and Mangroves Answers

Which of the following best explains the role of deep sea coral reefs in the environment?a.They are responsible for fouling fishing lines.b.They are a quick-growing food source for deep water predators.c.They provide a critical habitat for many other organisms.d.They are a record of past climate conditions.

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

Which of the following is not true concerning the Nereus?a.It is able to dive deeper than any other man-made vehicle.b.It will be used to explore previously unreachable areas of the ocean.c.It is a combination automated and remote-operated vehicle.d.It has the capacity to carry two crew members.

Which of the following best explains why autonomous underwater explorers (AUEs) will provide revolutionary new information on ocean processes?a.Previously there has not been a method to study small-scale ocean processes.b.Previously there has been too much study of small-scale ocean processes.c.Previously there has not been a method to study large-scale ocean processes.d.Previously there has been too much study of large-scale ocean processes.

Methane hydrates in the ocean are a significant source of methane.

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

Which of the following best explains why autonomous underwater explorers (AUEs) will provide revolutionary new information on ocean processes?a.Previously there has not been a method to study small-scale ocean processes.b.Previously there has been too much study of small-scale ocean processes.c.Previously there has not been a method to study large-scale ocean processes.d.Previously there has been too much study of large-scale ocean processes.

How have submersibles benefited ocean exploration?a.They allow exploration of arctic waters.b.They reduce the expense of ocean exploration.c.They allow the deep ocean to be explored.d.All of the above

The U.S. Integrated Ocean Observing System (IOOS) is a government program to collect information in the Gulf of Mexico.

The U.S. Joint Global Ocean Flux Study was aimed at understanding _______.a.the ocean carbon cycleb.the ocean phosphorous cyclec.global warmingd.fish breeding patterns