Deep Sea Organisms

What is the producer in the hydrothermal vent ecosystem?

• kelp

• seagrass

• Archaea bacteria

• sea pig

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which division of the ocean is the deepest?

• Bathypelagic

• Hadalpelagic

• Epipelagic

• Mesopelagic

What type of current brings nutrients to the surface?

• upwelling

• downwelling

• rip-tides

• Coriolis effect

Which statement is TRUE:

• Organisms can move between zones to feed.

• Zones are fixed, and there is no movement of organisms between zones.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Where do the hot water and chemicals for hydrothermal vent ecosystems come from?

• fractures in the oceanic crust where water meets magma

• the shelf break

• hot waste water from nuclear plants

• climate change

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-4

The 3 main zones of the ocean are:

• Euphotic, Bathyal, and Abyssal

• Upper, Middle, Lower

• Primary, Secondary, Tertiary

• Alpha, Beta, Delta

To which condition do all species in the ocean depths have to adapt?

• lower salinity

• extreme pressure

• swift ocean currents

• hot water temperature

Scientists have found strange new life-forms called “tubeworms” on the deep ocean bottom. Which most likely provides energy for the tubeworms?

• algae

• small fish

• photosynthesis

• hydrothermal vents

Tags

NGSS.MS-LS2-3

Light does not reach the bottom of the ocean, yet certain species live there. Which best explains how species on the bottom of the ocean get energy to live?

• Algae and bacteria produce energy through photosynthesis.

• Hydrothermal vents produce energy through chemical reactions.

• Dead plants and animals produce energy through decomposition.

What adaptation allows deep sea organisms to survive in high-pressure environments?

• Flexible cell membranes

• Thick exoskeletons

• High metabolism rates

• Bright coloration