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Why cutaneous respiration does not occur in shark's skin ?
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- what is the advantage of the presence of mesenteries or septa in the gastrovascular cavity in a sea anemone?What are respiratory pigments? What is the respiratory pigment present in some arthropods? Which is the analogous molecule in humans?Correct the statement "shark's skin contains multicellular mucous glands"
- What is cutaneous respiration? Give 3 examples of air-breathing fishes.What is the evolutionary significance of the fifth gill arch of bony fish no longer supporting a gill filament and functioning for respiration?How do flatworms accomplish gas exchange (obtain oxygen and get rid of carbon dioxide)? What physical feature of flatworms enables them to survive using this method of gas exchange?
- Why is ventilation important? Compare the morphological traits that enable ventilation in fishes versus birds to support their metabolic activity?2) Physoclistous fish fill their air bladders by _____. A) going to the surface and gulping air B) using the carbon dioxide that they produce through aerobic metabolism C) releasing oxygen from the blood from a capillary bed on the gas bladder wall D) relaxing their sphincter muscle so that air can flow in from their lungsWhat is the process of respiration when it comes to fishes in the ocean?