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Which of the following best describes Euryhaline organisms?
- a)It is an aquatic species which can survive and adapt in a wide range of salinities.
- b)It is an aquatic species which can survive and adapt only in a narrow range of salinities.
- c)It is an aquatic species which can survive and adapt in a wide range of temperatures.
- d)It is an aquatic species which can survive and adapt only in a narrow range of temperatures.
Correct answer is option 'A'. Can you explain this answer?
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Which of the following best describes Euryhaline organisms?a)It is an...
- For aquatic organisms the quality (chemical composition, pH) of water becomes important. The salt concentration (measured as salinity in parts per thousand), is less than 5 in inland waters, 30-35 in the sea and > 100 in some hypersaline lagoons.
- Some organisms are tolerant of a wide range of salinities (euryhaline) but others are restricted to a narrow range (stenohaline). Many freshwater animals cannot live for long in seawater and vice versa because of the osmotic problems, they would face.
- Euryhaline organisms are able to adapt to a wide range of salinities. An example of a euryhaline fish is the molly which can live in freshwater, brackish water, or saltwater. The green crab is an example of a euryhaline invertebrate that can live in salt and brackish water. Hence option (a) is the correct answer.
- Stenohaline describes an organism, usually fish, that cannot tolerate a wide fluctuation in the salinity of the water.
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Which of the following best describes Euryhaline organisms?a)It is an...
Euryhaline organisms
Euryhaline organisms are aquatic species that have the ability to survive and adapt in a wide range of salinities. These organisms are found in various aquatic environments such as oceans, estuaries, and freshwater systems. They have evolved physiological mechanisms to cope with changes in salinity levels, allowing them to thrive in both marine and freshwater habitats.
Adaptation to a wide range of salinities
Euryhaline organisms have developed several adaptations that enable them to survive in environments with varying salinity levels. Some of these adaptations include:
1. Osmoregulation: Euryhaline organisms have the ability to regulate their internal osmotic pressure in response to changes in external salinity. They can adjust the concentration of solutes inside their cells to match the salinity of the surrounding environment.
2. Ion transport: These organisms have specialized ion transport mechanisms that help them maintain the balance of ions, such as sodium and chloride, in their bodies. They can actively transport ions across their gills, skin, or specialized excretory organs to regulate their internal ion concentrations.
3. Behavioral adaptations: Euryhaline organisms may also exhibit behavioral adaptations to cope with changes in salinity. For example, they may migrate to different areas or depths in search of more suitable salinity conditions.
4. Tolerance to wide salinity ranges: Euryhaline organisms have a higher tolerance to changes in salinity compared to stenohaline organisms, which can only survive within a narrow range of salinity. This allows them to inhabit a wide variety of aquatic environments, from highly saline marine habitats to freshwater ecosystems.
Examples of euryhaline organisms
Some examples of euryhaline organisms include:
1. Salmon: Salmon are able to migrate between freshwater rivers and the ocean. They have adaptations that allow them to adjust to changes in salinity as they move between these environments.
2. Mangrove trees: Mangrove trees grow in estuarine environments where salinity levels can vary greatly. They have specialized roots that help them filter out excess salt and absorb freshwater from the surrounding soil.
3. Brine shrimp: Brine shrimp are found in highly saline environments such as salt lakes and salt pans. They have adaptations that allow them to tolerate extremely high levels of salt in the water.
In conclusion, euryhaline organisms are aquatic species that can survive and adapt in a wide range of salinities. They have evolved physiological and behavioral adaptations to cope with changes in salinity levels, allowing them to inhabit diverse aquatic environments.
Euryhaline organisms are aquatic species that have the ability to survive and adapt in a wide range of salinities. These organisms are found in various aquatic environments such as oceans, estuaries, and freshwater systems. They have evolved physiological mechanisms to cope with changes in salinity levels, allowing them to thrive in both marine and freshwater habitats.
Adaptation to a wide range of salinities
Euryhaline organisms have developed several adaptations that enable them to survive in environments with varying salinity levels. Some of these adaptations include:
1. Osmoregulation: Euryhaline organisms have the ability to regulate their internal osmotic pressure in response to changes in external salinity. They can adjust the concentration of solutes inside their cells to match the salinity of the surrounding environment.
2. Ion transport: These organisms have specialized ion transport mechanisms that help them maintain the balance of ions, such as sodium and chloride, in their bodies. They can actively transport ions across their gills, skin, or specialized excretory organs to regulate their internal ion concentrations.
3. Behavioral adaptations: Euryhaline organisms may also exhibit behavioral adaptations to cope with changes in salinity. For example, they may migrate to different areas or depths in search of more suitable salinity conditions.
4. Tolerance to wide salinity ranges: Euryhaline organisms have a higher tolerance to changes in salinity compared to stenohaline organisms, which can only survive within a narrow range of salinity. This allows them to inhabit a wide variety of aquatic environments, from highly saline marine habitats to freshwater ecosystems.
Examples of euryhaline organisms
Some examples of euryhaline organisms include:
1. Salmon: Salmon are able to migrate between freshwater rivers and the ocean. They have adaptations that allow them to adjust to changes in salinity as they move between these environments.
2. Mangrove trees: Mangrove trees grow in estuarine environments where salinity levels can vary greatly. They have specialized roots that help them filter out excess salt and absorb freshwater from the surrounding soil.
3. Brine shrimp: Brine shrimp are found in highly saline environments such as salt lakes and salt pans. They have adaptations that allow them to tolerate extremely high levels of salt in the water.
In conclusion, euryhaline organisms are aquatic species that can survive and adapt in a wide range of salinities. They have evolved physiological and behavioral adaptations to cope with changes in salinity levels, allowing them to inhabit diverse aquatic environments.
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Which of the following best describes Euryhaline organisms?a)It is an aquatic species which can survive and adapt in a wide range of salinities.b)It is an aquatic species which can survive and adapt only in a narrow range of salinities.c)It is an aquatic species which can survive and adapt in a wide range of temperatures.d)It is an aquatic species which can survive and adapt only in a narrow range of temperatures.Correct answer is option 'A'. Can you explain this answer?
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Which of the following best describes Euryhaline organisms?a)It is an aquatic species which can survive and adapt in a wide range of salinities.b)It is an aquatic species which can survive and adapt only in a narrow range of salinities.c)It is an aquatic species which can survive and adapt in a wide range of temperatures.d)It is an aquatic species which can survive and adapt only in a narrow range of temperatures.Correct answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Which of the following best describes Euryhaline organisms?a)It is an aquatic species which can survive and adapt in a wide range of salinities.b)It is an aquatic species which can survive and adapt only in a narrow range of salinities.c)It is an aquatic species which can survive and adapt in a wide range of temperatures.d)It is an aquatic species which can survive and adapt only in a narrow range of temperatures.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following best describes Euryhaline organisms?a)It is an aquatic species which can survive and adapt in a wide range of salinities.b)It is an aquatic species which can survive and adapt only in a narrow range of salinities.c)It is an aquatic species which can survive and adapt in a wide range of temperatures.d)It is an aquatic species which can survive and adapt only in a narrow range of temperatures.Correct answer is option 'A'. Can you explain this answer?.
Which of the following best describes Euryhaline organisms?a)It is an aquatic species which can survive and adapt in a wide range of salinities.b)It is an aquatic species which can survive and adapt only in a narrow range of salinities.c)It is an aquatic species which can survive and adapt in a wide range of temperatures.d)It is an aquatic species which can survive and adapt only in a narrow range of temperatures.Correct answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Which of the following best describes Euryhaline organisms?a)It is an aquatic species which can survive and adapt in a wide range of salinities.b)It is an aquatic species which can survive and adapt only in a narrow range of salinities.c)It is an aquatic species which can survive and adapt in a wide range of temperatures.d)It is an aquatic species which can survive and adapt only in a narrow range of temperatures.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following best describes Euryhaline organisms?a)It is an aquatic species which can survive and adapt in a wide range of salinities.b)It is an aquatic species which can survive and adapt only in a narrow range of salinities.c)It is an aquatic species which can survive and adapt in a wide range of temperatures.d)It is an aquatic species which can survive and adapt only in a narrow range of temperatures.Correct answer is option 'A'. Can you explain this answer?.
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