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GCSE Biology 2020-2022 OCR Gateway

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Question:

Describe and Evaluate Biological Control

Author: eric_galvao



Answer:

-This is simply using Other Organisms to Limit the Number of Pests -This can be done from Adding new Species, or just Boosting the Population of Current Ones -Predators, Parasites and Disease-Causing are the Best Options -This has a Long Effect, and is Less Harmful but Introducing a New Species can lead to more Problems [Red Squirrels have made Population of Grey Squirrels plummet] -But Overall, its more Safer compared to Pesticides, as no Chemicals is Used, meaning Less Pollution and Risk for affecting Animals and Humans


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