Why is it important to study whole ecosystem?

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

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The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates