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In the context of a marine fish living in a hypertonic environment, which mechanisms are employed by the fish to uphold homeostasis?
The fish consumes substantial quantities of water, eliminates only minimal amounts of water, and actively transports sodium ions out of its body.
The fish consumes limited amounts of water, excretes significant quantities of water, and actively transports sodium ions into its body.
The fish consumes negligible amounts of water, excretes only minimal quantities of water, and actively transports sodium ions out of its body.
None of the aforementioned options accurately describe the mechanisms employed by the fish.
Answers (1)
Option 1 states that a marine fish living in a hypertonic environment consumes substantial quantities of water, eliminates only minimal amounts of water, and actively transports sodium ions out of its body.This mechanism helps the fish maintain homeostasis in a hypertonic environment. By drinking abundant amount of water, the fish replenishes the water lost due to osmotic imbalance. By excreting only small amounts of water, it minimizes water loss and conserves water within its body. Additionally, actively transporting sodium ions out of its body helps regulate osmotic balance by preventing excessive salt accumulation.Overall, this combination of behaviors allows the fish to maintain the appropriate internal environment, counteracting the hypertonicity of its surroundings.Hence, the correct answer is option 1.
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