Ecology

The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?

• Producers

• Consumers

• Decomposers

• Inorganic nutrients

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

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

• carbohydrates

• sunlight

• water

• carbon

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• heterotroph

• consumer

• detritivore

• autotroph

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?

• food web

• an ecosystem

• food chain

• a population

Tags

NGSS.HS-LS2-4

NGSS.HS-LS2-6

symbiotic relationship in which both organisms benefit

• competition

• Mutualism

• nitrogen fixation

• energy pyramid

Tags

NGSS.MS-LS2-2

which symbiosis is this 

• parasitism 

• mutualism

• commensalism

• nonalism 

Tags

NGSS.MS-LS2-2

symbiotic relationship in which one organisms benefits and the other organism is not affected

• invasive (non-native) species

• mutualism 

• nitrogen fixation

• commensalism

Where an organism lives

• habitat

• niche 

• heterotrogh

• biosphere

Members of a species in a defined area

• Ecosystem

• community

• biodiversity

• population

Non-living factor that affects an ecosystem

• biotic factor

• abiotic factor

• food chain 

• biome

Tags

NGSS.MS-LS2-3