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If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..

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The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..

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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 Introduction

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

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Lotic Communities & Animals

A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..