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Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..

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Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

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Non-Mendelian Inheritance

In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter..

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Consciousness and Behavior

Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..

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Physiological Homeostasis

Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..

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Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..