100+ Shell thinning PowerPoint (PPT) Presentations, Shell thinning PPTs

Shell thinning - PowerPoint PPT Presentation

Opening Questions

Opening Questions. Name two kinds of bias. Name three sources of bias. What are some important aspects of DDT?. Lesson 1 Review Points. Using Science as Evidence When science is used as evidence it is important to identify possible sources of bias.

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What kind of damage can DDT cause to birds?

What kind of damage can DDT cause to birds?. In the body of an animal, DDT is changed (metabolized) to DDE. DDE dissolves in fat, not in water, and is stored in fatty tissues. Thus, DDE tends to remain in the body and can cause several problems. DDT: Kinds of Damage.

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495 views • 34 slides

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Shell thinning - PowerPoint PPT Presentation

Opening Questions

What kind of damage can DDT cause to birds?