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Ontogeny recapitulates phylogeny
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∙ 14y ago
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Is dolphin and whale has gills or lungs?
Dolphins and whales are mammals so they don't have gills.
Why don't dolphins have gills?
Dolphins are mammals, not fish. And mammals breathe with lungs, not gills.
Do mammals have gills or lungs?
Mammals have lungs, as do amphibians, reptiles, and birds. Fish are the only chordates that have gills rather than lungs.
Do monotremes have lungs or gills?
Monotremes are mammals; therefore they have lungs, not gills.
Do mammals have gills and can breathe underwater?
No, mammals don't have gills, and can't breathe under water. Mammals have lungs, breathe air and have to hold their breath when diving.
Do elephant seals have gills?
No. These animals are mammals, they breathe air.
Do sea otters have gills?
Sea otters do not have gills because they are mammals.
What structure in fish performs the same function as lungs in mammals?
GillsThe gills perform the same function.
Do mammals have lungs or gills to breath?
Mammals breath using lungs.
What animal has gills for respiration?
Gills are found in a number of animals. Most notably in all types of fresh and salt water fish but also mollusks like snails and slugs. Crustaceans like crab and lobster have them to as do a number of insects and amphibians such as frogs, lizards and worms.
Do Some mammals have gills and can breathe under water?
No, no mammals don't have gills, and can't breathe under water. Mammals have lungs, breathe air and have to hold their breath when diving.
Why do Frogspawn have to stay in the water?
Frogs begin life as tadpoles, which have gills, so they must stay in water to breathe.As they grow into frogs, they lose the gills and grow legs, the tail is absorbed, and they begin to breathe air through developing lungs.
