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Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..