Ecology Review

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

Which symbiosis is this an example of? 

• parasitism 
• mutualism
• commensalism
• nonalism 

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NGSS.MS-LS2-2

What is a symbiotic relationship in which both organisms benefit called?

• competition
• Mutualism
• nitrogen fixation
• energy pyramid

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

• mutualism
• commensalism
• parasitism
• niche

What does a food web represent?

• All connections of energy flow 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

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

• 10%
• 20%
• 80%
• 50%

Tags

NGSS.MS-LS2-3

The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

Tags

NGSS.MS-LS2-3

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

Tags

NGSS.MS-LS2-4