Communities and Ecosystem Dynamics

Which of the following is a symbiotic relationship in which one organism benefits while the other is unaffected ?

• Mutualism

• Parasitism

• Commensalism

• Microbiomes

Which of the following is most likely to occur if an organism’s environment is outside the organism’s range of tolerance?

• organisms fail to reproduce

• growth of the organisms increases

• organisms develop mutualistic relationships

• organisms produce more offspring to increase the chance of survival

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

What term used for the range of external conditions within which a species can survive and reproduce?

• Pioneer species

• Resilience

• Camouflage

• Tolerance

Tags

NGSS.MS-LS4-4

Which principle states that no two species can occupy exactly the same niche in the same habitat at the same time?

• Symbiotic inclusion principle

• Symbiotic exclusion principle

• Competitive inclusion principle

• Competitive exclusion principle

What type of species plays a vital and unique role in maintaining structure, stability, and diversity in an ecosystem?

• pioneer species

• indicator species

• keystone species

• None of the above

What is the term used for the first organisms to colonize an area affected by a volcanic eruption?

• keystone species

• intermediate species

• pioneer species

• climax community

Which of the following is NOT an example of types of diversity?

• species diversity

• genetic diversity

• number diversity

• ecosystem diversity

Which term describes the number of different species in the biosphere or in a particular area?

• succession

• ecosystem

• genetic diversity

• species diversity

Tags

NGSS.MS-LS2-5

A salt marsh that helps prevent flooding of a coastal town is an example of what ecosystem service?

• buffering

• nutrient cycling

• pest regulation

• carbon storage

Tags

NGSS.MS-LS2-5

Which term describes the ability of the natural or human system to recover after a disturbance?

• ecosystem

• species

• biodiversity

• resilience