Ecology Test Review

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

• heterotroph
• consumer
• detritivore
• autotroph

What is the original source of energy in most ecosystems?

• carbohydrates

• sunlight

• water

• carbon

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

symbiotic relationship in which both organisms benefit

• competition
• Mutualism
• nitrogen fixation
• energy pyramid

Tags

NGSS.MS-LS2-2

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

• mutualism
• commensalism
• parasitism
• niche

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

• 10%

• 20%

• 80%

• 50%

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

A living organism that puts materials from dead  plants and animals back to the soil is called a ____________?

• carnivore
• decomposer
• herbivore
• omnivore

Tags

NGSS.MS-LS2-3

In a parasitic relationship, one organism is ___________ and one organism is benefiting. 

• helped
• harmed
• not effected
• happy

Commensalism is where one organism is benefiting and the other organism is _____________________. 

• not effected
• helped
• harmed
• hurt