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This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..