Global Connection: Deep Sea Ecologies Answers

Which of the following is not a possible source of energy for chemosynthetic organisms?a.oilb.hydrogen sulfidec.methaned.water

What are the two ways that organisms on the bottom of deep sea food chains acquire energy?a.photosynthesis and chemosynthesisb.chemosynthesis and marine snowc.marine snow and photosynthesisd.chemosynthesis and predation

Which of the following organism does not gain energy from marine snow either directly or indirectly? a. rays b. crustaceans c. chemosynthetic bacteria d. sponges Please select the best answer from the choices provided

How does energy acquisition in the deep sea differ from energy acquisition near the ocean’s surface?a.Organisms in the deep sea acquire energy directly from the sun.b.Organisms near the ocean’s surface rely on chemosynthesis rather than photosynthesis.c.Organisms in the deep sea do not have direct access to sunlight.d.Organisms in the deep sea have no means to obtain energy unless they travel to the ocean’s surface.

Marine snow is _______.a.pieces of organic matter that were once part of living organismsb.a mixture of living planktonc.snow from land that has entered aquatic ecosystemsd.large salt crystals that have not dissolved in ocean water