Asked by mary22

Okay the question is:

Why would there be differences in the pesticide levels found in different species? Atlantic Puffin (feeds on small fish) and its pesticide levels are lower compared to Double-crested Cormorant (fees on larger fish) and Leach's Storm-Petrel (feeds on small organisms near the surface of the water), why would this be?

Answers

Answered by Ms. Sue
What does your book say about concentrations of pesticides in different species? Is it possible that these pesticides become more concentrated the higher up the food chain the species is?
Answered by mary22
It doesn't say anything. And Leach's Storm-Petrel is in the second trophic level like Atlantic Puffin, but the Leach's Storm Petrel still have a higher level of pesticide.
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