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This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..