There is no prefix in the word dolphin.
yes there scientific (family) name is DELPHINIDAE
Vertebra is another word for the type of bones that make up the back bone. A vertebrate is any creatures that has back bones.
They can, but dolphins are extremely smart and often outsmart sharks, another thing is that dolphins are fast and can escape.
two
The noun 'dolphins' is a plural, common, concrete noun, the plural form for the singular noun dolphin, a word for an animal, a word for a thing.
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nothing dolphins will simply just find another food source.
They use clickIng noises of different tones and pitches to talk to one another
maybe because if there were other dolphins that went to their habitat then they mit not survive
because thats how dolphins communicate with each otherits bacically there where of speaking to one another
Anoher name for a dolphin is a cow