Marine Ecology

An herbivore is serving as this trophic level:

• primary consumer

• seconday consumer

• tertiary consumer

• apex predator

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

• light

• energy

• water

• oxygen

Tags

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

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

NGSS.MS-LS2-1

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

• pelagic

• neritic

• benthic

• oceanic

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-LS1-5

Estuaries are an example of

• communities

• populations

• ecosystems

• pelagic systems

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

A(n) ______________ is made up of all the living things in an area and their non-living environment.

• Habitat

• Ecosystem

• Biosphere

• Succession

Which of the following is an example of an abiotic factor in the marine environment?

• Water

• Kelp

• Clams

• Plankton

Tags

NGSS.MS-LS2-3

A population is:

• The total number of all the different species in an area

• The total number of one species in an area

• The same as a community

• Made up of more than one species