Flow of Energy & Matter through ecosystems

Which group of organisms is missing from the food web above?

• Carnivore

• Herbivore

• Omnivore

• Decomposer

Tags

NGSS.MS-LS2-2

Which of the following statements most accurately describes the energy transfer between the levels of the food pyramid in the Indian River Lagoon System?

• Energy travels up the pyramid

• Energy stays in the phytoplankton at the lowest level

• Energy is released in the environment only at the top level

• Energy moves from the flounder to both the clam and the egret

Tags

NGSS.MS-LS2-3

How much energy will be available for the flounder if the plankton at the bottom of this pyramid is able to produce 10,000 kcal of energy from the photosynthesis?

• 1000

• 100

• 10

• 1

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the primary source of energy for the ecosystem pictured above?

• Grass and Green plants

• Hawks and Deer

• Tadpoles and Fish

• Sun

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

• A
• B
• C
• D

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

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

Tags

NGSS.MS-LS2-3

What does a biomass pyramid compare?

• the amount of biomass at each trophic level

• the amount of energy available at each trophic level

• the amount of biomass consumed at each trophic level

• the amount of individuals at each trophic level

Tags

NGSS.MS-LS2-3

How much of the energy in each level of a ecological pyramid gets LOST as heat or used by the organism so that it CANNOT be passed on to the next trophic level?

• 80%

• 90%

• 10%

• 20%

Tags

NGSS.MS-LS2-3

If these organisms were arranged in an ecological biomass pyramid, which organism would have the least amount of biomass?

• coyote
• insect
• lizard
• shrub

Tags

NGSS.MS-LS2-3

Which terms best describe heterotrophs?

• Plants; producers
• Animals; producers
• Plants; consumers
• Animals; consumers

Tags

NGSS.MS-LS2-3