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This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..

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This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

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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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Biological Cell Defense

Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

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New Zealand’s Unique Fauna

Meet some of New Zealand's unique fauna, including endemic insects, frogs, reptiles, birds, and mammals, and investigate..

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Neurology of Illusions

Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..