Ecosystem Ecology - APES

In the energy pyramid shown, which organism has the least amount of biomass?

• Producers
• Herbivores
• Carnivores
• Top Predator

Tags

NGSS.MS-LS2-3

 Which step of the nitrogen cycle does NOT involve bacteria?

• Nitrogen fixation 
• Denitrification 
• Nitrification 
• Assimilation

Which species is the producer?

• A
• B
• C
• D

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In this Food Web Pyramid, which type of consumer gets 10% of the energy stored in plants?

• Herbivore

• Carnivore

• Omnivore

• Top carnivore

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Humans impose the largest negative impact on the carbon cycle by ________________

• cultivating crops
• burning fossil fuels
• harnessing solar power
• mining

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-6

Eutrophication in lakes results from

• Overfishing due to tragedy of the commons

• A decrease in temperatures

• An increase in carbon dioxide in the air

• An increase in nutrients in the lake

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Nitrogen becomes available to plants by all of the following processes EXCEPT

• ammonification 
• denitrification by denitrifiying bacteria
• nitrification by nitrifying bacteria
• nitrogen fixation in plant nodules

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following best explains why there are usually no more than five trophic levels in a food chain?

• there are not enough organisms to fill more than five levels
• there is too much competition among the organisms at the lower levels to support more animals at higher levels
• the statement is not true; there can be unlimited amount of trophic levels
• energy is lost at each trophic level

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which would have the greatest biomass?

• A
• B
• C
• D

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Organisms that live at or near deep ocean vents and derive energy from inorganic sulfur compounds are called: 

• autotrophs
• heterotrophs
• chemoautotrophs
• biotrophs