Biology Ec4 Quiz Trophic Level

Trophic levels represent the _____________ of organisms in a food chain or web.

• predator/prey relationships

• feeding positions

• heat

• nutrient flow

Tags

NGSS.MS-LS2-2

Which is the first trophic level?

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

Tags

NGSS.MS-LS2-3

Tigers eat deer like this one. The deer eats grass and nuts from trees. What trophic level is the tiger at?

• producer

• primary consumer

• secondary consumer

• tertiary consumer

Tags

NGSS.MS-LS2-3

A consumer can only feed at one trophic level.

• true

• false

Generally about ____________ percent of the energy at one trophic level is available to the next trophic level.

• 10

• 25

• 50

• 90

Tags

NGSS.MS-LS2-3

What happens to most of energy that is used in a trophic level?

• it is used by consumers

• producers absorb the energy

• it is lost as heat

• decomposers return the energy to the soil

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Ecological pyramids can demonstrate the decrease in energy, biomass or numbers within an ecosystem. 

• true

• false

Tags

NGSS.MS-LS2-3

Organisms tend to be smaller in size at higher trophic levels, but their larger numbers result in more biomass

• true

• false

Tags

NGSS.MS-LS2-2

This is the total mass of organisms at a trophic level.

• biomass

• tertiary mass

• producer's mass

• ecological mass

Tags

NGSS.HS-LS2-4

Which trophic level will have the least amount of biomass?

• producers

• primary consumer

• secondary consumer

• tertiary consumer