flow of energy

The diagram represents different levels of a marine food pyramid. Between which two levels is the greatest amount of energy transferred

• 4 and 5

• 1 and 2

• 2 and 3

• 3 and 4

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.  

• hawk population
• rabbit population
• wildflower population
• grass population

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The shrew provides energy for the ...?

• cricket
• grasshopper
• frog
• snake

Tags

NGSS.MS-LS2-3

Which organisms are likely the most numerous in this ecosystem? 

• herring
• phytoplankton
• small crustaceans 
• shark

Tags

NGSS.MS-LS2-1

If there are 1000 Kcal of energy available in the producers, how much energy is available to the herbivores?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal

Tags

NGSS.MS-LS2-3

In the energy pyramid here, how much of the energy in each level gets LOST as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

Tags

NGSS.MS-LS2-3

Which of the following illustrates the correct ordering of trophic levels?

• decomposers-carnivores-autotrophs-herbivores
• herbivores-autotrophs-carnivores-decomposers
• producers-herbivores-carnivores-decomposers
• carnivores-producers-omnivores

Which organism breaks down dead plants and animals and releases nutrients back into atmosphere and soil?

• bacteria

• plants

• animals

• producers

If the producers contain 10,000 units of energy how much energy can be found in the tertiary consumers?

• 1

• 10

• 100

• 1000

Which of these organisms are primary consumers? Choose all that apply.

• crab

• phytoplankton

• krill

• zooplankton

• seagull