Endosymbiontic green algae live close to the surface of some sponges, for example, breadcrumb sponges (Halichondria panicea).
ˌɛndoʊsˌɪmbɪˈɑːntɪk ɡɹˈiːn ˈælɡiː lˈaɪv klˈoʊs tə ðə sˈɜːfɪs ʌv sˌʌm spˈʌndʒᵻz, fɔːɹ ɛɡzˈæmpəl, bɹˈɛdkɹʌm spˈʌndʒᵻz hˌælɪkˈɑːndɹiə pænˈaɪsiə.