After studying this unit you should be able to:

• Define and use, or recognize definitions and applications of, each of the terms in bold in the text.

• Understand the complexity of the interdependence between organisms and their environment.

• Describe some of the consequences for health of pollution.

• Explain why it is difficult to gain international agreements to secure biodiversity and reduce pollution.

Author(s): The Open University

Full story: http://www.newscientist.com/article/dn25356 A robotic kangaroo controlled by an armband uses elastic springs to bounce just like the real thing
Author(s): No creator set

Virtual Maths, Cuboid - Excavation quiz2
Interactive quiz explaining requiring the student to calculate the time required to carry out excavation work (see also quiz 1 and video).
Author(s): Leeds Metropolitan University

Virtual Maths, Shapes Space and Measure, Surface of a semi cylinder template
Diagram and template for using a semi-cylinder to calculate area
Author(s): Leeds Metropolitan University

Virtual Maths, Shapes Space and Measure, Surface of semi cylinder
Interactive simulation demonstrating how to calculate the surface area of a cover for an astro turf pitch including the ends by using a semi (half) cylinder.
Author(s): Leeds Metropolitan University

Virtual Maths Shapes, Space and Measure, Levelling Survey - Rugby pitch
Interactive simulation using a level to take measurements to calculate the volume of earth to be excavated to create a flat rugby pitch.
Author(s): Leeds Metropolitan University

Virtual Maths - Shapes, Space and Measure, Theodolite Survey simulation
Simulation of using a thodolite to calculate the height of a building.
Author(s): Leeds Metropolitan University

Virtual Maths , Shapes Space and Measure, Theodolite survey formula
Theodolite survey, information, formula, and calculation
Author(s): Leeds Metropolitan University

Virtual Maths, Shapes, Space and Measure, Demonstration of a Theodolite Survey in action
Using a theodolite to calculate the height of a building, demonstration 'in the field', includes interactive simulation tools and formulae
Author(s): Leeds Metropolitan University

Virtual Maths, Shapes, Space and Measure, Sine, Cosine, and Tangent
Interactive simulation, formulae for sine, cosine and tangent
Author(s): Leeds Metropolitan University

Virtual Maths, Shapes, Space and Measure, Rearranging Formulae
Interactive simulation, rearranging formulae (letters and numbers)
Author(s): Leeds Metropolitan University

Virtual Maths, Shapes Space and Measure, Calc Height of Building, Angle Tool
Interactive simulation demonstrating how to calculate the height of a building
Author(s): Leeds Metropolitan University

Virtual Maths, Shapes, Space and Measure, Calculate Height of Building guide
Guide to calculating the height of a building
Author(s): Leeds Metropolitan University

A History of Flying
Video on flying airplanes with some science and history used.
Author(s): No creator set

Making the DIY Clinometer
Author(s): Leeds Metropolitan University

Virtual Maths - Basic Structures, bending moment uniformly distributed load
Interactive simulation demonstrating bending moment of uniformly distributed load
Author(s): Leeds Metropolitan University

Virtual Maths - Basic Structures, shear force point of load
Interactive simulation demonstrating shear force at point of load
Author(s): Leeds Metropolitan University

Virtual Maths - Basic Structures, shear force uniformly distributed load
Interactive simulation, demonstrating shear force, uniformly distributed load
Author(s): Leeds Metropolitan University

Virtual Maths - Basic Structures, bending moment point of load
Interactive simulation demonstrating the bending moment at point of load
Author(s): Leeds Metropolitan University

Virtual Maths - 3D shapes, area of cylinder
Interactive simulation demonstrating the formula and calculation of the area of a cylinder
Author(s): Leeds Metropolitan University