Food Web, Food Chain Ecological Relationship

The direction of the flow of energy in a food chain is represented by ___.

• Light bulbs

• Dotted Lines

• Arrows

• Bubbles

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Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

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A connection of food chains with many food energy paths in an ecosystem is called a ____________

• ecosystem

• food web

• environment

• many chains

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A frog eats a fly. The frog and fly are demonstrating ________.

• mutualism
• competition
• predator/prey
• parasitism

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NGSS.MS-LS2-3

According to this food web, how many consumers are herbivores?

• 2

• 1

• 4

• 5

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NGSS.MS-LS2-2

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

• Producers
• Herbivores
• Carnivores
• Top Predator

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What might occur when a carnivore is removed from the food web?

• A)  Nothing.  Organisms cannot impact things below them on the energy pyramid.
• B)  Primary consumers will overpopulate.
• C)  Plants will be over browsed by herbivores.
• D)  both B and C might occur.

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A living relationship between two species in which one organism is harmed is called...

• mutualism
• commensalism
• parasitism
• niche

What term describes organisms striving for the same limited resources?

• Competition

• Predation

• Mutualism

• Commensalism

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NGSS.MS-LS2-1

Commensalism is a symbiotic relationship in which what occurs between the organisms?

• both organisms are harmed

• one benefits, the other is unaffected

• one benefits, the other is harmed

• one benefits by eating the other

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