Ocean Zones and Phytoplankton

Decreasing ocean temperature causes the density of the water to ______.

• decrease

• increase

• stay the same

• fluctuate

Tags

NGSS.MS-PS1-4

Nutrients are brought to the surface for phytoplankton to use at _______.

• gyres

• eddies

• upwellings

• the equator

Tags

NGSS.MS-LS2-3

________ and _______ affect the ocean's density and cause the Global Conveyor Belt to travel

• gravity and the Coriolis Effect

• temperature and salinity

• wind and climate

• temperature and the Coriolis Effect

Tags

NGSS.MS-ESS2-6

Carbon dioxide and seawater combine to form

• calcium carbonate
• carbon monoxide
• carbonic acid 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Ocean acidification begins with 

• pollution from ships
• carbon dioxide released from combustion
• dumping of waste from cities into the ocean

Tags

NGSS.HS-ESS2-6

An increase in the amount of nutrients in a lake is known as 

• plankton 
• oligotrophic 
• eutrophication 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In what zone does approximately 90% of all ocean life live?

• photic (=euphotic)

• aphotic

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.
• Light comes from the core of the earth.

Tags

NGSS.MS-LS2-3

Deep ocean technology has discovered organisms in hydrothermal vents that do not rely on sunlight to survive. What do these organisms use as their energy source?

• chemosynthesis
• electrical charge
• hydropower
• thermal heat

Tags

NGSS.HS-LS2-3

Animal members of the plankton community.

• Phytoplankton
• Meroplankton
• Holoplankton
• Zooplankton