Open Ocean and Deep Sea Review

In which zones is sunlight available for photosynthesis? Check all that are correct.

• Hadapelagic Zone

• Abyssalpelagic Zone

• Bathypelagic Zone

• Epipelagic Zone

• Mesopelagic Zone

Tags

NGSS.MS-LS1-6

Which zones are dark, with no sunlight? Check all that are correct.

• Hadapelagic Zone

• Abyssalpelagic Zone

• Bathypelagic Zone

• Epipelagic Zone

In which zone do you find the least amount of life?

• Hadapelagic Zone

• Abyssalpelagic Zone

• Bathypelagic Zone

• Epipelagic Zone

• Mesopelagic Zone

Which of the following DECREASE as you go deeper in the ocean? Check all that apply.

• Sunlight

• Pressure

• Phytoplankton

• Temperature

Which of the following are ABIOTIC factors of an ecosystem? Check all that apply.

• Temperature of the seawater

• How much food is available

• Biodiversity (how many types of species live there)

• Amount of sunlight

• Oxygen levels

Tags

NGSS.MS-LS2-3

Many species in the open ocean vertically migrate upwards in the ocean at night to feed. In which zone do they live in during the daylight?

• epipelagic

• mesopelagic

• abyssalpelagic

• hadalpelagic

Tags

NGSS.MS-LS2-3

Which of the following biotic factors is NOT true of the open ocean?

• there is no place for small animals to hide

• the most photosynthesis occurs in the mesopelagic zone

• competition for food is strong

• many species migrate on a daily basis

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Based on what you know about marine snow, where would you expect the most nutrients to be in the ocean?

• the surface

• the deep ocean

Which part of the ocean has the most dissolved oxygen?

• the surface

• the deep ocean

What is marine snow?

• gaseous balls of oxygen that float near the surface

• frozen ice pellets that fall to the deep sea

• precipitation in the polar seas that hits the surface of the ocean

• falling particles of dead and dying organic matter that sink to the seafloor

Tags

NGSS.MS-LS2-3