Nutlets

nutlet (Science: botany) A small nut; also, the stone of a drupe...

The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..

Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..

This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..

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