a man-made material, usually made from fossil fuels

a substance that can harm living organisms when it is released into an ecosystem

the range of different living organisms (species) in an ecosystem

can be broken down by living organisms, including microorganisms

can be carried out over a long period of time with little or no negative impact on the environment

Advantages and disadvantages of plastic food packaging

Science

Pupils will learn about biomass transfer including calculating the efficiency of transfers between trophic levels. They will learn about human impacts on the environment, food security and biotechnology to help maintain biodiversity and achieve food security.

In the Climate change and greenhouse gases unit, pupils learnt about greenhouse gas emissions from transport and industry, and the use of renewable energy resources and changes to transport infrastructure that could reduce emissions.

In this unit pupils learn about the impact of agriculture and deforestation on biodiversity, and to more thoroughly consider the effects of climate change on biodiversity and food production.

Climate change and biodiversity

the range of different species in an ecosystem

a substance that can harm organisms when released into an ecosystem

can be carried out without harming the environment

Match each word to its correct definition.

True or false? A biodegradable material can be broken down by living organisms e.g. bacteria

Which of these types of food packaging is biodegradable?

What can biodegradable bioplastic be made from?

Jun: It is made from fossil fuels so causes few emissions.

Jacob: It can harm biodiversity when it pollutes ecosystems.

Who identifies how plastic food packaging can help to limit climate change?

True or false? Eating fruit and vegetables instead of meat will reduce emissions more than buying food without plastic packaging.

Which of these is **not** an example of a fossil fuel?

A natural resource that we obtain from an ecosystem.

A substance that can harm living things when it is released into an ecosystem.

A substance this is found naturally in ecosystems.

… it can be carried out without harming the environment.

…. it harms the environment but does not take a long time to complete.

According to the bar chart, which food has the lowest carbon footprint of greenhouse gas emissions?

According to the bar chart, which stage of producing chocolate contributes the most emissions to chocolate’s carbon footprint?

The word {{}} means the range of different species living in a place.

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