Pollutant

pollutant An undesired contaminant that results in pollution...

Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..

Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..

Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

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