Marine Food Webs

What is the primary role of producers in a marine food web?

• To consume other organisms

• To decompose dead matter

• To convert energy from the sun into food energy

• To act as top-level predators

Tags

NGSS.MS-LS2-3

Which of the following is a common producer in the marine environment?

• Zooplankton

• Dolphins

• Sharks

• Phytoplankton

Tags

NGSS.MS-LS2-2

What percentage of energy is typically transferred from one trophic level to the next?

• 20%

• 5%

• 10%

• 50%

Tags

NGSS.MS-LS2-3

Which organism is an example of a top-level consumer in the marine food web?

• Phytoplankton

• Zooplankton

• Shark

• Seaweed

Tags

NGSS.MS-LS2-3

What is the role of decomposers in a food web?

• To act as primary producers

• To produce energy from sunlight

• To consume herbivores

• To break down dead organisms

Tags

NGSS.MS-LS2-3

What is a keystone species?

• A species that is the most abundant

• A species with a greater impact on the food web than expected

• A species that is the least important in the ecosystem

• A species that is always at the top of the food web

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following is a herbivorous consumer in the marine environment?

• Sharks

• Zooplankton

• Sea stars

• Dolphins

Tags

NGSS.MS-LS2-2

What is the main difference between producers and consumers?

• Producers are always larger than consumers

• Consumers make their own food; producers rely on other organisms for food

• Producers are always at the top of the food web

• Producers make their own food; consumers rely on other organisms for food

Which of the following is NOT a producer in the marine environment?

• Seaweed

• Phytoplankton

• Zooplankton

• Seagrass

Tags

NGSS.MS-LS2-3

What happens to the energy that is not transferred to the next trophic level?

• It is stored in the organism

• It is lost as waste, movement energy, and heat

• It is used to produce more organisms

• It is transferred back to the producers

Tags

NGSS.MS-LS2-3