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This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..