Competition and Organism Interactions in Ecosystems

Competition becomes more important as the number of individuals ______ or the availability of resources _________.

• increases, decreases

• increases, increases

• decreases, increases

• decreases, decreases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

when more than one individual or population in an ecosystem relies on the same limited resources

• commensalism

• competition

• limiting facor

• ecosystem

Tags

NGSS.MS-LS2-1

a system comprising all the biotic and abiotic factors in an area and all the interactions among them

• organism

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-3

Which is the smallest level of organization in an ecosystem?

• ecosystem

• community

• organism

• population

a single living thing

• organism

• population

• community

• ecosystem

an interaction between organisms or species that is helpful to one but neither helpful nor harmful to the other

• organism

• population

• commensalism

• parasitism

biotic and abiotic environmental factor that restricts the growth of a population

• commensalism

• limiting factor

• symbiosis

• ecosystem

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is the largest level of organism in an ecosystem?

• ecosystem

• community

• population

• organism

more than one individual or population in an ecosystem that relies upon the same limited resources

• Competition

• Population

• Biodiversity

• Recycling

Tags

NGSS.MS-LS2-1

factors that are living or produced by living things

• Biotic Factors

• Abiotic Factors

• Population

• Community

Tags

NGSS.MS-LS2-2