A relationship in which the effect of one factor (such as biology) depends on another factor (such as environment) is calleda.competition.b.interpolation.c.interaction.d.reciprocation.

Explain the concept of coevolution in ecological relationships.

There are different types of causal relationships. What type of causal relationship describes the factor exerting its effects through intermediary factors?

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

Explain how competition between organisms affects the availability of resources in an area.

An interaction where one species is harmed while the other is unaffected is called