Marine Food Webs

What is the position an organism fills in its food web called?

• Trophic level

• Habitat

• Niche

• Biome

Tags

NGSS.MS-LS2-3

Which of the following is an example of a primary producer?

• Zooplankton

• Phytoplankton

• Urchins

• Snails

Tags

NGSS.MS-LS2-3

Trophic Level 2 contains herbivores, or primary consumers, that eat plants/algae. Which of the following is an example of a primary consumer?

• Phytoplankton

• Macroalgae

• Zooplankton

• Kelp

Tags

NGSS.MS-LS2-2

What type of consumers are found at Trophic Level 3?

• Primary consumers

• Secondary consumers

• Tertiary consumers

• Apex predators

Trophic Level 4 contains predators called ________ consumers.

• tertiary

• primary

• secondary

• quaternary

Tags

NGSS.MS-LS2-3

Many species have a varied diet and occupy different levels within a ________.

• food web

• ecosystem

• habitat

• niche

Tags

NGSS.MS-LS2-3

What is the maximum number of trophic levels that are rarely reached?

• 5

• 6

• 8

• 3

Tags

NGSS.MS-LS2-3

Fill in the blank: Decomposers exist on all trophic levels, mainly bacteria in the ocean, and they break down dead organisms, releasing nutrients that support the _______ production.

• primary

• secondary

• tertiary

• quaternary

Tags

NGSS.MS-LS2-3

Typically, about what percentage of energy is transferred from one trophic level to the next?

• 5%

• 10%

• 20%

• 50%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What percentage of energy is lost as heat during respiration?

• 10%

• 50%

• 90%

• 100%

Tags

NGSS.MS-LS1-7