Chapter 22 Ecology Lesson 3 - Water pollution_Conservation

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Sewage and inorganic waste pollute water sources in several ways: 1) Untreated sewage releases bacteria that use up oxygen in water, killing other organisms and potentially spreading disease. 2) Dumping of inorganic wastes like mercury poisoned people through Minamata disease and pollutes waterways. 3) Pesticides and insecticides used in agriculture accumulate up food chains and can poison top predators over time due to bioaccumulation.

Bildung Technologie Gesundheit & Medizin

Lesson Objectives ,[object Object],[object Object],[object Object]

Lesson objectives: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],FI SH iP

Sewage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Inorganic wastes ,[object Object],[object Object]

Fertilisers ,[object Object],[object Object],[object Object],[object Object]

Insecticides ,[object Object],[object Object],[object Object],[object Object],[object Object]

Bioaccumulation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Herbicides ,[object Object],[object Object],[object Object]

Pesticides ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Bioindicators ,[object Object],[object Object],[object Object],[object Object],[object Object]

TYS questions ,[object Object],[object Object],[object Object],[object Object]

- the protection and preservation of natural resources in the environment Conservation

Lesson Objectives ,[object Object],[object Object]

Terms to familiarise ,[object Object],[object Object],[object Object]

Reasons for Conservation ,[object Object],[object Object],[object Object],[object Object]

The Need ,[object Object],[object Object],[object Object]

Conservation measures on two fronts ,[object Object],[object Object],Through a) legislation (laws) b) education c) 3Rs (reduce, reuse, recycle)

Environmental Biotechnology ,[object Object],[object Object],[object Object]

Sewage treatment ,[object Object],[object Object],[object Object],[object Object],[object Object]

Conservation of forests ,[object Object],[object Object],[object Object],[object Object]

Conservation of fishing grounds ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conserving wildlife ,[object Object],[object Object],[object Object]

TYS questions ,[object Object],[object Object],[object Object],[object Object],[object Object]

Identify the sources of pollution in this diagram

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