APES Energy Transfer and Species Interactions Review

10% Rule

• 10% of the energy stored in one trophic level is passed on to the next trophic level.
• 10% of the energy stored in one trophic level is lost during transfer to the next trophic level.
• 50% of the energy stored in one trophic level is passed on to the next trophic level.
• 90% of the energy stored in one trophic level is passed on to the next trophic level.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Types of Symbiotic Relationships

• Parasitism

• Cooperation
• Commensalism

• Mutualism

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NGSS.MS-LS2-2

Symbiotic Relationship where one organisms benefit and the other is not benefited or harmed

• Mutualism
• Parasitism
• Commensalism
• Predation

Which of the follwing best describes an example of resource partitioning in an ecosystem?

• Plants competing for sunlight in a meadow
• Different bird species feeding at the same height in the same tree
• Different bird species feeding at different heights in the same tree
• All predators hunting during the day in a forest

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

What is the term used to describe a group of the same species living in the same area?

• Community

• Population

• Ecosystem

• Habitat

What is the role of decomposers in an ecosystem?

• They produce oxygen.

• They consume living plants.

• They break down dead organisms and recycle nutrients.

• They are the primary producers.

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NGSS.MS-LS2-3

In the energy pyramid here, which organisms have the most energy available?

• Producers

• Carnivores

• Herbivores

• Top Predator

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a food chain, which level is directly above primary consumers?

• Secondary consumers

• Tertiary consumers

• Producers

• Decomposers

What is the primary source of energy for most ecosystems?

• Geothermal vents

• The Sun

• Decomposition

• Wind

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What does the term "energy flow" in an ecosystem refer to?

• The movement of water through the ecosystem

• The transfer of energy from one organism to another through the food chain

• The conversion of solar energy into chemical energy by plants

• Both B and C are correct

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-LS2-3