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The figure below shows a simple aquatic food chain which has been exposed to a pesticide called DDT. Land progressive sequence Aquatic progressive sequence Humans, the ultimate accumulators Milk MeatD Third carnivore (larger fsh) Second carnivore Grazing animals (larger fsh) First carnivore (larger fsh) Herbivore (smaller fsh) First accumulator Grass (algae, water plants) Pollutant in DDT molecular form spray [Source: Adapted from Goudie, A (1993) The Human Impact on the Natural Environment, Blackwell, p.219]

The figure below shows a simple aquatic food chain which has been exposed to a pesticide called DDT. Land progressive sequence Aquatic progressive sequence Humans, the ultimate accumulators Milk MeatD Third carnivore (larger fsh) Second carnivore Grazing animals (larger fsh) First carnivore (larger fsh) Herbivore (smaller fsh) First accumulator Grass (algae, water plants) Pollutant in DDT molecular form spray [Source: Adapted from Goudie, A (1993) The Human Impact on the Natural Environment, Blackwell, p.219]

Concepts of Biology
Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter20: Ecosystems And The Biosphere
Section: Chapter Questions
Problem 1ACQ: Figure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification...
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1a) How many trophic levels are shown the picture? 1b) identify which trophic levels represent the producers and the top carnivores.
The figure below shows a simple aquatic food chain which has been exposed to a pesticide called DDT. Land progressive sequence Aquatic progressive sequence Milk Meatt Humans, the ultimate accumulators Third carnivore (larger fsh) Second carnivore Grazing animals (larger fsh) First carnivore (larger fsh) Herbivore (smaller fsh) First accumulator Grass (algae, water plants) Pollutant in DDT molecular form spray [Source: Adapted from Goudie, A (1993) The Human Impact on the Natural Environment, Blackwell, p.219] (i) State how many trophic levels are shown in the figure above.
Transcribed Image Text:The figure below shows a simple aquatic food chain which has been exposed to a pesticide called DDT. Land progressive sequence Aquatic progressive sequence Milk Meatt Humans, the ultimate accumulators Third carnivore (larger fsh) Second carnivore Grazing animals (larger fsh) First carnivore (larger fsh) Herbivore (smaller fsh) First accumulator Grass (algae, water plants) Pollutant in DDT molecular form spray [Source: Adapted from Goudie, A (1993) The Human Impact on the Natural Environment, Blackwell, p.219] (i) State how many trophic levels are shown in the figure above.
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