Marine Ecology & Productivity

An herbivore is serving as this trophic level:

• primary consumer

• seconday consumer

• tertiary consumer

• apex predator

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

A food web shows the flow of _____ in an ecosystem.

• light

• energy

• water

• oxygen

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

A secondary consumer only gains ____ of the energy of the total available energy of the primary consumer that it eats.

• 30%

• 50%

• 90%

• 10%

Tags

NGSS.MS-LS2-3

Urchins and mussles are both preyed on by sea stars. In other words they share the same predator. What kind of relationship do they have?

• interference competition

• mutualistic relationship

• apparent competition

• parasite/ host

Tags

NGSS.MS-LS2-2

A sea horse eats zooplankton such as brine shrimp. If the brine shrimp eat phytoplankton, what trophic level is the sea horse?

• primary consumer

• secondary consumer

• tertiary consumer

• herbivore

Tags

NGSS.MS-LS2-3

What is the smallest category of plankton, including many kinds of marine bacteria and viruses?

• microplankton

• nanoplankton

• picoplankton

• femtoplankton

The role an organism plays in its ecosystem is called its:

• prey

• niche

• habitat

• carrying capacity

Tags

NGSS.MS-LS2-4

Organisms that live on the seafloor or in the sediment are called:

• pelagic

• neritic

• benthic

• oceanic

Organisms that live in the water column (either swimming or drifting):

• pelagic

• benthic

• detritivores

• neritic

This zone has extreme fluctions in temperature and salinity throughout the day and organisms that live here are at risk of dessication (drying out):

• pelagic zone

• intertidal zone

• neritic zone

• hadopelagic zone

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4