Unit 7 Review - Marine Ecosystems

Which ocean zone extends from the shore to the edge of the continental shelf?

• Neritic zone

• Oceanic zone

• Benthic zone

• Epipelagic zone

Imagine you are in a submersible. Starting from the surface, what is the correct order of vertical ocean zones you would pass through to the bottom of the seafloor?

• Epipelagic, bathypelagic, mesopelagic, abyssopelagic, hadopelagic

• Hadopelagic, abyssonpelagic, bathypelagic, mesopelagic, epipelagic

• Epipelagic, mesopelagic, bathypelagic, abyssopelagic, hadopelagic

• Mesopelagic, bathypelagic, epipelagic, abyssopelagic, hadopelagic

Jellyfish are consider plankton. What does that mean?

• They live on the seafloor

• They are ocean drifters

• The are strong swimmers

Crabs and lobsters are considered a benthic organism. What does that mean?

• They live on the seafloor

• They are ocean drifters

• The are strong swimmers

Whales are considered nekton. What does that mean?

• They live on the seafloor

• They are ocean drifters

• The are strong swimmers

What do we call the zone where temperature drops rapidly with depth?

• Temperatecline

• Pycnocline

• Halocline

• Thermocline

What percent of primary production from the epipelagic sinks to the mesopelagic?

• 5%

• 10%

• 20%

• 40%

Organisms that live in the deep have all of the following adaptations EXCEPT?

• Long, sharp teeth

• Unhingable jaws

• Expandable stomach

• They have really big eyes

Which of the following does not apply to a vertical migrator?

• They migrate to the surface at night for food

• They have a swim bladder

• They developed strong bones

• They developed weak muscles

What do we call an organisms ability to produce light?

• bioluminescence

• illumination

• luminosity

• phosphorescence