Subgroups

subgroup (Science: biology) A subdivision of a group, as of animals...

This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

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

This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..

Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

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