Marine Food Webs and Seaspiracy Test Review

Which of the following is a marine ecosystem?

• Arctic Sandy Beach

• Kelp Forest

• Mangrove

• All of the above

Which of the following is NOT a reason why phytoplankton are important to marine ecosystems?

• They produce oxygen through photosynthesis.

• They form the base of the marine food web.

• They deplete oxygen levels in the water.

Microplastics are related to bioaccumulation and biomagnification in that they:

• are easily broken down by organisms, reducing their impact.

• accumulate in organisms and increase in concentration up the food chain.

• do not affect the food chain as they are inert.

• are beneficial to marine life as they provide nutrients.

Go to an online dictionary and define sustainability.

• Sustainability is the ability to be maintained at a certain rate or level.

• Sustainability is the process of photosynthesis in plants.

• Sustainability is a type of financial investment strategy.

• Sustainability is a method of cooking.

Sustainable fishing is a practice that aims to:

• ensure that fish populations remain healthy and ecosystems are not harmed.

• catch as many fish as possible without regard to regulations.

• focus solely on the economic benefits of fishing.

Fish farms are used for:

• Breeding fish for commercial purposes

• Recreational fishing

• Conserving endangered species

• Research purposes

Answer Questions based on diagram. Producer: plankton

• Producer: plankton

• Producer: fish

• Producer: algae

• Producer: coral

Answer Questions based on diagram. Primary Consumer: zooplankton

• Primary Consumer: zooplankton

• Primary Consumer: phytoplankton

• Primary Consumer: algae

• Primary Consumer: fish

Answer Questions based on diagram. Secondary Consumer: small fish

Answer Questions based on diagram. Tertiary Consumer: large fish

• Tertiary Consumer: large fish

• Tertiary Consumer: small fish

• Tertiary Consumer: algae

• Tertiary Consumer: plankton