Marine Food Webs and Food Chains

Which of the following would act as a primary producer?

• Phytoplankton

• Zooplankton

• Whales

• Fish

Tags

NGSS.MS-LS2-3

What is a keystone species

• A species all other animals can exist without

• A species that all other animals cannot exist without, If removed from the ecosystem it will collapse

• A door species

• A fish

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

How many trophic levels are there?

• 1

• 2

• 3

• 4+

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

You are modeling energy flow how much energy is lost at each trophic level? How much is conserved?

• 90% and 10%

• 70% and 30%

• 60% and 40%

• 100% and 0%

Tags

NGSS.MS-LS2-3

_________ have the largest biomass and amount of usable energy

Tags

NGSS.MS-LS2-3

__________ have the least amount of biomass and usable energy

Tags

NGSS.MS-LS2-3

The crab in the image above is at what trophic level?

The Blue Whale in the image above is at what trophic level?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Using the text box and arrows -> Please provide an example of a Marine Food Chain Example: Primary Producer - > Primary Consumer -> Secondary Consumer - > Tertiary Consumer Use actually organism for your model.

What is a Trophic Cascade?