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With reference to the Pirarucu, consider the following statements:
1. It is found primarily in floodplain lakes across the Amazon basin.
2. It is one of the few fish species in the world that surfaces to breathe.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
With reference to the Pirarucu, consider the following statements:1. I...
The correct answer is option C) Both 1 and 2.
Explanation:
1. The Pirarucu is found primarily in floodplain lakes across the Amazon basin.
The Pirarucu (Arapaima gigas) is a large freshwater fish species that is native to the Amazon basin in South America. It is predominantly found in floodplain lakes, which are formed during the rainy season when the Amazon River overflows its banks, creating vast areas of flooded forests and grasslands. These floodplain lakes provide an ideal habitat for the Pirarucu, as they are rich in nutrients and offer abundant food sources.
2. The Pirarucu is one of the few fish species in the world that surfaces to breathe.
The Pirarucu is an obligate air-breather, which means it has a specialized respiratory system that allows it to breathe atmospheric air. This adaptation is necessary because the floodplain lakes where it resides often have low oxygen levels in the water. The Pirarucu possesses a modified swim bladder that acts as a lung, enabling it to extract oxygen from the air. It regularly surfaces to take in air, which is then absorbed through its swim bladder. This unique trait allows the Pirarucu to survive in oxygen-deprived environments and contributes to its ability to grow to massive sizes, with individuals reaching lengths of over 10 feet and weighing up to 400 pounds.
In conclusion, both statements are correct. The Pirarucu is primarily found in floodplain lakes across the Amazon basin, and it is one of the few fish species in the world that surfaces to breathe.
Explanation:
1. The Pirarucu is found primarily in floodplain lakes across the Amazon basin.
The Pirarucu (Arapaima gigas) is a large freshwater fish species that is native to the Amazon basin in South America. It is predominantly found in floodplain lakes, which are formed during the rainy season when the Amazon River overflows its banks, creating vast areas of flooded forests and grasslands. These floodplain lakes provide an ideal habitat for the Pirarucu, as they are rich in nutrients and offer abundant food sources.
2. The Pirarucu is one of the few fish species in the world that surfaces to breathe.
The Pirarucu is an obligate air-breather, which means it has a specialized respiratory system that allows it to breathe atmospheric air. This adaptation is necessary because the floodplain lakes where it resides often have low oxygen levels in the water. The Pirarucu possesses a modified swim bladder that acts as a lung, enabling it to extract oxygen from the air. It regularly surfaces to take in air, which is then absorbed through its swim bladder. This unique trait allows the Pirarucu to survive in oxygen-deprived environments and contributes to its ability to grow to massive sizes, with individuals reaching lengths of over 10 feet and weighing up to 400 pounds.
In conclusion, both statements are correct. The Pirarucu is primarily found in floodplain lakes across the Amazon basin, and it is one of the few fish species in the world that surfaces to breathe.
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Community Answer
With reference to the Pirarucu, consider the following statements:1. I...
Due to the conservation efforts Pirarucu, also known as arapaima has returned to the lakes of the Medio Jurua in Brazil.
- It can weigh up to 200 kilos (440 pounds), by far the largest of 2,300 known fish species in the Amazon.
- It is found primarily in floodplain lakes across the Amazon basin, including the region of Medio Jurua.
- It is one of the few fish species in the world that surfaces to breathe. It does that with a big splash, flashing its red tail out of the water.
- The giant fish not so long ago nearly vanished from Jurua, due to unregulated fishing.
- The illegal and unsustainable fishing left river and Indigenous communities struggling to catch their staple food.
- And it left pirarucu designated as threatened with extinction, unless trade in the fish is closely controlled by the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
Hence both statements are correct.
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With reference to the Pirarucu, consider the following statements:1. It is found primarily in floodplain lakes across the Amazon basin.2. It is one of the few fish species in the world that surfaces to breathe.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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