3.2 Food webs

The Eucalyptus provides food for other species too, so a more realistic way of expressing the complicated interrelationships of plants and animals, is in a food web as shown in Figure 2 for the common oak.

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3.1 Habitat

The environment in which any organism lives is known as its habitat. It will share its habitat with other organisms, that are themselves part of the habitat. A habitat has distinctive physical and chemical features.

Question 4

Can
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1 Legacies and inheritance

There is no doubt that each one of us affects the lives of those who surround us. Many of our interactions with others are very obvious to us and could be described in terms of personal, professional and social relationships. But there are other, often unnoticed, interactions: the mother taking her children to school, the man buying his paper, the youth at the bus stop – all people we see regularly and only notice when they are not there. Younger people are often very worried about what oth
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6 Poetic inversion

Poetic inversion, or changing the usual word order of speech, is often linked to the need to maintain a rhythm or to find a rhyme. We noticed Pope's poetic inversion in An Essay on Criticism and saw how the rhyme was intimately linked to the rhythm of the verse. The song ‘Dancing in the Street’, first recorded by Martha and the Vandellas in the 1960s, does violence to word order in the interests of rhyme – ‘There'll be dancing in the street/ A chance new folk to meet’
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Introduction

This unit is designed to develop the analytical skills you need for a more in-depth study of literary texts. You will learn about rhythm, alliteration, rhyme, poetic inversion, voice and line lengths and endings. You will examine poems that do not rhyme and learn how to compare and contrast poetry.

This material is from our archive and is an adapted extract from Approaching Literature (A210) which is no longer taught by The Open University. If you want to study formally with us,
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1.1.1 The Rhind papyrus

For a literate civilisation extending over some 4000 years, that of the ancient Egyptians has left disappointingly little evidence of its mathematical attainments. Even though the classical Greeks believed mathematics to have been invented in Egypt – though their accounts are far from unanimous on how this happened – there are now but a handful of papyri and other objects to convey a sense of Egyptian mathematical activity. The largest and best preserved of these is the Rhind papyrus (Ext
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2.3 A passionate reaction

The painting provoked a furore because both its subject and the manner in which it was painted were felt to be excessive: this delirious orgy, playing on Byronic notions of fieriness and Faustian concoctions of creative and destructive energies, was not what critics and public had come to expect of grand history painting. Its massive size (just under four by five metres) magnified its effect. In fact, the painting had only narrowly been voted into the exhibition by the Salon jury. The followi
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4 Key points

The important points this unit has covered include:

  • Defining the entrepreneur in terms of economic function and role.

  • Identifying the key characteristics of successful entrepreneurs and entrepreneurial firms.

  • Considering the role of entrepreneurial motivation in decision making and business behaviour.

  • Identifying leadership and management styles appropriate to an entrepreneurial firm


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Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence

All materials included in this unit are derived from content originated at the Open University.

Every effort has bee
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Tutankhamun in 3D
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Biosecurity dilemmas: dreaded germs, global health and scientific freedom
Which is more dangerous, bioterrorism or biodefense? When do the security risks of pathogen research outweigh the health benefits? Is there too little or too much biosecurity regulation of Australian laboratories and scientists? Does the language of security advance or distort global health goals? In this public seminar, Dr Christian Enemark considers these and other dilemmas that arise when the protection of human health is placed on security policy agendas. Dr Christian Enemark is Associate
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This lesson begins with an overview of the core concepts behind image correction, and then introduces a range of quick and easy techniques to help you get more from your photos in just a few clicks
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Announcing Visual Studio Achievements For Windows 8 App Development

We are excited to announce an update to the Visual Studio Achievements extension: the availability of nineteen new achievements all oriented toward Windows 8 app development.

These new achievements can be earned in JavaScript, C#, VB and C++. Some examples include: I Like To Move It Move It which is earned by using the accelero
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Listen in as Artist Jacob Kirkegaard tells of his journey to hear himself hear. With the aid of researchers in Copenhagen, Kirkegaard generates an artificial tone in his own ear by playing two tones at a precise ratio. He has developed this phenomenon into an interactive sound piece he calls Labyrinthitis.  (07:13)
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A World War II veteran, George H.W. Bush served as Vice President for two terms before being elected President of the United States in 1988. (04:35)


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4.2 Reactor safety: the Chernobyl incident

By far the worst nuclear reactor accident took place on 26 April 1986 when one of four 1 GW reactors at Chernobyl in the Ukraine released a radioactive cloud over Europe (Figure 17). (See S278 video clips document.) The build-up to this accident has been related to a series of complex chemical reactions induced
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2.2 Nuclear fission

Every atom has a nucleus consisting of positively charged protons and electrically neutral neutrons. Protons and neutrons have virtually identical mass and the total number of protons and neutrons defines the mass number of a particular atom. The number of protons in the nucleus is the atomic number and this quantity is always the same for each particular chemical element. However, some elements have several isotopes, each with different numbers of ne
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1.6.2 The equations of uniformly accelerated motion

Equations 22, 23 and 24 provide a complete description of uniformly accelerated motion. By combining them appropriately, it is possible to solve a wide class of problems concerning the kinematics of uniformly accelerated motion. Nonetheless, those particular equations are not always the best starting point for the most common problems. For example, it is often the case that we want to know the displacement from the initial position after some specified period of constant acceleration, rather
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