Question 6The physical, or nonliving, factors that shape or influence an ecosystem are called?nichedecomposersabioticbiome

What type of ecosystem does your organism live in?

Question 7All of the living organisms in an area form a(n):ecosystembiomebiospherepopulationcommunity

An organism's niche includes its habitat, its resource requirements, and itsMultiple choice question.abundance.evolutionary relationship to other species.potential for gene flow.place in the food chain.

What is the best definition for an ‘ecosystem’? Interaction of a community of living organisms with each other and with non-living parts of the environmentOne species relying on another species for survivalSeveral populations of different species across all kingdoms living interdependently in a habitat A group of individuals of the same species2What is the term for non-living factors that affect living organisms and communities?Environmental factorsBiotic factorsAbiotic factorsInterdependent factors 3Which of the following is an abiotic factor?Light intensity New predators arrivingAvailability of foodNew competition4Which of the following is a biotic factor?TemperatureMoisture levelsAvailability of carbon dioxideNew pathogens or parasites 5All species in a community depend on one another for survival and any change can affect many different species. What is this relationship known as?EcosystemInterdependenceSurvival of the fittestFood chain6Which of the following is not an example of mutualism?Nitrogen-fixing bacteria in pea root nodulesOxpecker birds eating ticks and larvae infesting the skin of buffaloGrey squirrels out-competing red squirrelsAlgae and fungi living together as lichens

8.What is the variation caused by the environment that organisms live and grow in?