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]
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter8: Photosynthesis
Section: Chapter Questions
Problem 1TYK: An organism exists for long periods by using only CO2 and H2O. herbivore. carnivore. decomposer....
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Question
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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa60133d8-3177-4626-a273-7ee14686dfc1%2F80eb8d57-6594-42e9-bd9d-d4a5a8c69e20%2Fblrxj8_processed.jpeg&w=3840&q=75)
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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