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sweet [91]
2 years ago
15

Overfishing is a global problem in which humans harvest certain species of fish, almost to the point of extinction. Many of the

fish stocks depleted by overfishing are at the top of the food chain. Why would the overfishing of very large fish cause a decrease in the numbers of small fish?
The small fish are more likely to die from diseases and parasites.


The small fish live in a mutualistic relationship with the large fish.


The small fish have a greater number of medium-sized predators.


The small fish must compete with each other for fewer food sources.
Biology
1 answer:
schepotkina [342]2 years ago
3 0

Answer: i think it’s C

Explanation: i’m taking the test rn and that’s what i’m gonna put, it’s the best answer

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The increased population of phytoplankton in surface water reduces the oxygen availability and clarity of water for the organisms present in deeper layers.  Also, reduced clarity of water limits the amount of solar radiations penetrating the surface water to reach the deeper layers.

Increased nutrient levels of the lake would rather inhibit the growth of submerged plants due to reduced availability of sunlight as caused by presence of phytoplankton in surface water.  

5 0
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4 0
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