Final answer:
Yes, there is a phoneme that is also a morpheme. An example of this is the English word 'a' which is both a phoneme and a morpheme.
Step-by-step explanation:
Yes, there is a phoneme that is also a morpheme. An example of this is the English word 'a' which is both a phoneme and a morpheme. In terms of phonemes, 'a' represents the short vowel sound /æ/. It is also a morpheme in the sense that it can convey meaning as an indefinite article or as a pronoun. For example, in the sentence 'I saw a dog,' 'a' functions as a morpheme to indicate that the noun following it is indefinite. So, in this case, 'a' is both a phoneme and a morpheme.