A biome is aMultiple choice question.symbiotic relationship between two species in which one species benefits and the other is neither helped nor harmed.trophic level within a food web that contributes biomass to several other trophic levels.large portion of biomass in a pyramid of energy.major type of ecosystem characterized by a particular climate and group of species.

What level of ecology is concerned with both the biotic and abiotic aspects of an environment?Group of answer choicestissuepopulationcommunityorganismecosystem

How many species benefit in a symbiotic relationship

Define the terms "abiotic" and "biotic" in the context of ecosystems.

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

All parts of the environment interact with one another in different ways. Certain factors have larger impacts on the survival of species than others. The range of abiotic and biotic factors impacts the growth of each species.Which of the following factors is considered biotic?Elimination ToolSelect one answerAWater.BSoil.CSunlight.DPredators.