What type of osmoregulatory adaptations are usually present in marine vertebrates?Multiple choice question.Adaptations that make them more permeable to waterAdaptations that prevent water from entering their bodiesAdaptations that prevent them from drinking seawaterAdaptations that prevent dehydration
Question
What type of osmoregulatory adaptations are usually present in marine vertebrates?Multiple choice question.Adaptations that make them more permeable to waterAdaptations that prevent water from entering their bodiesAdaptations that prevent them from drinking seawaterAdaptations that prevent dehydration
Solution 1
Marine vertebrates usually have osmoregulatory adaptations that prevent dehydration. Living in a saltwater environment, they are constantly losing water through osmosis to the more concentrated seawater. To combat this, they have developed various mechanisms to retain and replenish water in their bodies. These include drinking seawater and excreting the excess salts through specialized cells, and obtaining water from their food. Therefore, the correct answer is "Adaptations that prevent dehydration".
Solution 2
Marine vertebrates usually have osmoregulatory adaptations that prevent dehydration. These adaptations are necessary because the ocean is a hypertonic environment, meaning it has a higher concentration of salts than the body fluids of the animals. To maintain their water balance, marine vertebrates have developed various strategies such as drinking seawater and excreting the excess salts through specialized cells or organs. Therefore, the correct answer is "Adaptations that prevent dehydration".
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