A bioindicator is a species that helps scientists and environmental managers infer the quality of its habitat. Bioindicators can be plants, birds, reptiles, mammals—any species that is sensitive to certain changes or factors in the environment. Commonly, aquatic macroinvertebrates are used as bioindicators for waterways,…
Northern sea stars are avid predators and notable drivers of ecosystems within low intertidal habitats. The northern sea star is considered a keystone species in the North Atlantic. The species fosters biodiversity by allowing other organisms, such as barnacles and seaweeds, to settle in areas that would else be occupied by mussel beds…
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