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How do aquatic animals like fishes remove waste chemicals from their bodies?
- a)They excrete cell waste as ammonia which dissolves directly in water.
- b)They excrete a semi-solid, white colored compound called uric acid.
- c)They excrete urea as the major waste product.
- d)They excrete waste through the skin pores.
Correct answer is option 'A'. Can you explain this answer?
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How do aquatic animals like fishes remove waste chemicals from their b...
Fishes and other aquatic animals remove waste chemicals from their bodies by excreting cell waste as ammonia, which can easily dissolve in water. This helps them to get rid of harmful substances and maintain a healthy internal environment.
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How do aquatic animals like fishes remove waste chemicals from their b...
Waste Excretion in Aquatic Animals
Aquatic animals, particularly fish, have unique adaptations for removing waste chemicals from their bodies. The primary method they utilize is through excreting ammonia.
Why Ammonia?
- Toxicity: Ammonia is highly toxic, but it is also very soluble in water. This property allows fish to quickly dilute and disperse it in their aquatic environment.
- Energy Efficiency: Excreting ammonia requires less energy compared to other waste forms, such as urea or uric acid, making it an efficient choice for aquatic animals.
How Do Fish Excrete Ammonia?
- Gills Functionality: Fish excrete ammonia primarily through their gills. Specialized cells in the gills transport ammonia from the bloodstream directly into the surrounding water.
- Continuous Process: This process occurs continuously as water flows over the gills, ensuring that ammonia is rapidly removed from the body and diluted in the larger water body.
Comparison with Other Waste Forms
- Urea and Uric Acid: While many terrestrial animals convert ammonia into less toxic urea or uric acid for excretion (which require more energy), aquatic animals like fish can afford to excrete ammonia directly due to their aquatic habitat.
- Environmental Adaptation: This adaptation is crucial for survival, as the immediate dilution of ammonia in water prevents toxic buildup.
In summary, fish effectively remove waste chemicals by excreting ammonia, which is promptly diluted in water, allowing them to thrive in their aquatic environments.
Aquatic animals, particularly fish, have unique adaptations for removing waste chemicals from their bodies. The primary method they utilize is through excreting ammonia.
Why Ammonia?
- Toxicity: Ammonia is highly toxic, but it is also very soluble in water. This property allows fish to quickly dilute and disperse it in their aquatic environment.
- Energy Efficiency: Excreting ammonia requires less energy compared to other waste forms, such as urea or uric acid, making it an efficient choice for aquatic animals.
How Do Fish Excrete Ammonia?
- Gills Functionality: Fish excrete ammonia primarily through their gills. Specialized cells in the gills transport ammonia from the bloodstream directly into the surrounding water.
- Continuous Process: This process occurs continuously as water flows over the gills, ensuring that ammonia is rapidly removed from the body and diluted in the larger water body.
Comparison with Other Waste Forms
- Urea and Uric Acid: While many terrestrial animals convert ammonia into less toxic urea or uric acid for excretion (which require more energy), aquatic animals like fish can afford to excrete ammonia directly due to their aquatic habitat.
- Environmental Adaptation: This adaptation is crucial for survival, as the immediate dilution of ammonia in water prevents toxic buildup.
In summary, fish effectively remove waste chemicals by excreting ammonia, which is promptly diluted in water, allowing them to thrive in their aquatic environments.
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How do aquatic animals like fishes remove waste chemicals from their bodies?a)They excrete cell waste as ammonia which dissolves directly in water.b)They excrete a semi-solid, white colored compound called uric acid.c)They excrete urea as the major waste product.d)They excrete waste through the skin pores.Correct answer is option 'A'. Can you explain this answer?
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How do aquatic animals like fishes remove waste chemicals from their bodies?a)They excrete cell waste as ammonia which dissolves directly in water.b)They excrete a semi-solid, white colored compound called uric acid.c)They excrete urea as the major waste product.d)They excrete waste through the skin pores.Correct answer is option 'A'. Can you explain this answer? for Grade 7 2025 is part of Grade 7 preparation. The Question and answers have been prepared according to the Grade 7 exam syllabus. Information about How do aquatic animals like fishes remove waste chemicals from their bodies?a)They excrete cell waste as ammonia which dissolves directly in water.b)They excrete a semi-solid, white colored compound called uric acid.c)They excrete urea as the major waste product.d)They excrete waste through the skin pores.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Grade 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How do aquatic animals like fishes remove waste chemicals from their bodies?a)They excrete cell waste as ammonia which dissolves directly in water.b)They excrete a semi-solid, white colored compound called uric acid.c)They excrete urea as the major waste product.d)They excrete waste through the skin pores.Correct answer is option 'A'. Can you explain this answer?.
How do aquatic animals like fishes remove waste chemicals from their bodies?a)They excrete cell waste as ammonia which dissolves directly in water.b)They excrete a semi-solid, white colored compound called uric acid.c)They excrete urea as the major waste product.d)They excrete waste through the skin pores.Correct answer is option 'A'. Can you explain this answer? for Grade 7 2025 is part of Grade 7 preparation. The Question and answers have been prepared according to the Grade 7 exam syllabus. Information about How do aquatic animals like fishes remove waste chemicals from their bodies?a)They excrete cell waste as ammonia which dissolves directly in water.b)They excrete a semi-solid, white colored compound called uric acid.c)They excrete urea as the major waste product.d)They excrete waste through the skin pores.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Grade 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How do aquatic animals like fishes remove waste chemicals from their bodies?a)They excrete cell waste as ammonia which dissolves directly in water.b)They excrete a semi-solid, white colored compound called uric acid.c)They excrete urea as the major waste product.d)They excrete waste through the skin pores.Correct answer is option 'A'. Can you explain this answer?.
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