Marine Food Webs

What is the primary role of autotrophs in a marine ecosystem?

• To provide shelter for fish

• To produce their own food

• To consume other organisms

• To decompose organic matter

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is an example of a heterotroph?

• Phytoplankton

• Zooplankton

• Bacteria

• Algae

Tags

NGSS.MS-LS2-3

What process do most autotrophs use to produce food?

• Photosynthesis

• Respiration

• Fermentation

• Digestion

Tags

NGSS.MS-LS1-6

What is detritus in a marine ecosystem?

• Living fish

• Coral reefs

• Dead organic material

• Microscopic plants

Tags

NGSS.MS-LS2-3

Which organisms are primarily responsible for breaking down dead organic matter?

• Decomposers

• Primary producers

• Zooplankton

• Autotrophs

What is the main function of decomposers in the marine ecosystem?

• To form the base of the food web

• To produce oxygen

• To recycle nutrients

• To provide energy

Tags

NGSS.MS-LS2-3

Which of the following is a primary producer in the ocean?

• Fish

• Phytoplankton

• Zooplankton

• Crabs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the role of phytoplankton in the marine food web?

• To decompose organic matter

• To consume other organisms

• To form the base of the food web

• To provide shelter

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which zone do phytoplankton primarily inhabit?

• Photic zone

• Abyssal zone

• Benthic zone

• Aphotic zone

What is the primary source of energy for most marine ecosystems?

• Tidal forces

• Geothermal vents

• Sunlight

• Chemical reactions

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3