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Cetateans whales and dolphins evolved from terrestrial air breating mammals true or false?
Lgilm
Actually, that is true. The fossil record shows that whales, dolphins and other air-breathing mammals that live in the sea did actually evolve from land mammals.
Check any book on evolutionary Biology for details.
Answer:
True as said above. Evolutionarily speaking all mammals evolved from the same land dwelling proto-mammal. Later the cetaceans moved back into water to fill up a niche in the aquatic system where they have survived ever since (rather successfully I might add).definitely true.
Wiki User
∙ 13y ago
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When were dolphins invented?
they were not "invented" they evolved from other sea creatures to become dolphins
Which of these adaptations to a terrestrial existence evolved most recently?
gametangia
Which of the following organisms likely evolved by natural selection?
Dolphins.
Is blue whale a type of dolphin?
No dolphins had a different evolution from whales. Whales evolved from a footed creature similar to a hippo (no, seriously) and dolphins evolved from a footed creature a lot smaller.
Are dolphins really man-evolved?
No, dolphins did not evolve from men, no other species evolved from men. Dolphins are small whales. The closest land animal to the whale is the hippo. Or at least that is the current theory. So dolphins are more closely related to horses, cows, sheep, and deer than they are to people.
Is it true that whales and dolphins are all mammals that evolved in the oceans during the tertiary period?
yes they evolved from the trilobites
Did fish evolve into sharks and dolphins?
They evolved from small rodents called "Casidinanerphalls".
How did people find out that dolphins evolved from other animals?
by their homologous organ sturcture
Most scientists now believe that birds evolved directly from bipedal?
Most scientists believe that birds evolved directly from bipedal, terrestrial dinosaurs.
How many years ago did dolphins evolve?
The first animals to resemble modern dolphins evolved ca. 20 million years ago.
What did dolphins evolove from?
dolphins originally evolved from therasids. which is a reptile. so they question you are askin your self is how does a reptile evolve into a mammal. THATS WHAT IM ASKING YOU!!
Is scorpion an aquatic species?
Back in prehistoric times, the scorpion was an aquatic creature. Over time, it evolved into a terrestrial species.
