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Principles of Hormonal Control Systems
Principles of Hormonal Control Systems

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

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Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

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New Zealand’s Biodiversity

Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..

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Lotic Communities & Animals

A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

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Growth and Development of a Human Baby

Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

Selective Breeding
Selective Breeding

Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..