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A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..