PART 5_2 Chemical contaminants and ecotoxicology
PART 5_2 Chemical contaminants and ecotoxicology
PART 5_2 Chemical contaminants and ecotoxicology
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Population Changes<br />
• Changes in population may come about as a<br />
result of direct changes in numbers of<br />
individual organism <strong>and</strong> gene frequency<br />
(resistance)<br />
• By indirect means (decrease in<br />
population of predators due to toxic<br />
chemicals could lead to increase in<br />
numbers of its prey).