Biomagnification and Global productivity

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8 Terms

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Biomagnification
the **increasing** concentration of **toxic**

**substances** in organisms at **HIGHER** trophic levels
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pollutants
_____ such as DDT and POPs **CAN’T** be excreted, so they get concentrated in the biomass
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mercury
Biomagnification in humans: ______ poisoning
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DDT
Biomagnification in birds: ________
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Biomes
large terrestrial or aquatic region characterized by distinct **abiotic** characteristics and dominant types of vegetation
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land
Is **productivity** higher on land or in the sea?
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low
Open ocean has _____ productivity
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ocean
Which ecosystems is most **productive**?