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Life on Earth

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Problem Solving

Problem Solving Practice Life on Earth



LoE Summary 2017

Apparatus and Techniques summary 2018


Eco-footprint- click on the image to get a larger version (then zoom in)

We take for granted that our local environment can interact with the rest of the world.

For example:

– we can transport our rubbish somewhere to dump it.

– we can bring in food and materials.

– our air and water can be replenished by the wind and the rain.

Most communities are also dependant on a faraway source of energy and resources such as electricity, gas, coal or wood. It is surprising how much land we require to survive. A typical city may need an area 20 times its size! It has been calculated that a person in the UK requires, on average, 4 hectares of land. Over 6 hectares are required to support the typical lifestyle of a North American. However, if we consider that the equal distribution of the Earth’s productive land among its present inhabitants would allot each of us 1.5 hectares, it becomes obvious that we need more than one planet if everyone lives as we do! Now it is your turn to calculate how many hectares that you require to live! Eco-footprint

Save a species



Sharks and Rays – Keys Activity 11-14Y~1


Photosynthesis Homework

Energy in Ecosystems HW1

Energy in Ecosystems HW2

Antibiotic resistance homework

Definitions Homework

Squirrel island

Ythan Estuary designated an NVZ

Homework GM Crops


Quizlets (from

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Biodiversity and Distribution of life

Energy and Ecosystems

Sampling Techniques

Adaptation, Natural selection and Evolution

Human Impact on the environment


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