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Mammals breathe air using lungs, extracting oxygen from the atmosphere through inhalation and expelling carbon dioxide during exhalation. In contrast, fish breathe underwater using gills, which absorb oxygen dissolved in water as it flows over them. While both systems are designed for gas exchange, mammals rely on a diaphragm and rib cage to facilitate lung expansion, whereas fish use the movement of water to ensure oxygen flow over their gills. Additionally, mammals are generally adapted for a terrestrial environment, while fish are specialized for aquatic living.

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Compare and contrast mammals and fish?

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No, fish are not mammals; they belong to a different class of animals known as Pisces. Fish are cold-blooded, have gills for breathing underwater, and typically lay eggs. In contrast, mammals are warm-blooded, possess mammary glands for nursing their young, and usually give live birth, although there are some exceptions among certain species like monotremes. Therefore, while some mammals do give live birth, fish do not.


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No mammals are fish. Mammals and fish are distinct groups of animals with different characteristics. Mammals are warm-blooded vertebrates that have hair or fur, while fish are cold-blooded aquatic vertebrates that have scales and gills for breathing underwater.


Are whales classified as fish?

No! Whales are air-breathing mammals that give birth to live young. Whales produce milk for their young, which also designates them as mammals.


Compare and contrast brians experience with the skunk to his encounter with the fish in these chapters?

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Is a sh ark a fish are a mammal?

No if it's a shark your talking about. Mammals are defined as vertebral (Spined) and air breathing.


Why don't whales have gills for breathing underwater?

Whales are mammals, not fish, so they do not have gills for breathing underwater. Instead, they have lungs and need to come to the surface to breathe air.


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Both Breathe oxygen and use pumped blood to distribute it through their bodies.


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