3. Why cannot fish live on land?
Answers
Answer:
Gills serve the same purpose as our lungs do. Gills extract oxygen from water and send it into the fish's blood stream. For this reason, most fish, and other aquatic animals that get oxygen from water, can't survive on land very long.
Explanation:
Fish is having the system for breathing as gill slits which cannot extract free oxygen from the atmosphere and hence the fish or cannot get oxygen when they are in land. While when they are in water they extract the oxygen from the water through their mechanism of gills and hence can breadth while under the water.
Answer:
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Explanation:
Gills serve the same purpose as our lungs do. Gills extract oxygen from water and send it into the fish's blood stream. For this reason, most fish, and other aquatic animals that get oxygen from water, can't survive on land very long.