Population Ecology and Energy Flow

An organism that produces its own food supply from inorganic compounds is called a(an)

• heterotroph
• consumer
• detritivore
• autotroph

Tags

NGSS.MS-LS2-3

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the term for each step in the transfer of energy and matter within a biological community?

• energy path
• food web
• trophic level
• food pyramid

Tags

NGSS.MS-LS2-3

Autotrophs make up the _______ level in all ecosystems.

• First
• Second
• Third
• Fourth

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NGSS.MS-LS1-6

What does a food web represent?

• All connections of how energy flows throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

The image provided is an example of a(n):

• Carnivore
• Herbivore
• Producer
• Autotroph

The image provided is an example of a(n):

• Producer
• Autotroph
• Consumer
• Insect

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

Tags

NGSS.MS-LS2-3

Which of the following would be the definition of a detritivore?

• Animals that eat insects.
• Organisms that feed on rocks, recycling the nutrients back into the ground.
• Organisms that eat only pants
• Things that feed on dead organisms, recycling the nutrients back into the ground.

Tags

NGSS.MS-LS2-3

An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.

• Food chain
• Food web
• Energy Pyramid
• Succession Map

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6