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3-8 (C) Same-size gametes: some species of algae, fungi and protozoans have an all-one-size gametes. (D) More than two gametes sizes: this occur in some single-celled organisms, the protozoans; Clamydomonas euchlora; or in multicellular organisms like pandoroina. (E) An individual body that produces both small and large gametes “at some point in life” is called a ‘hermaphrodite’; the one that produces both sizes at the same time is a “simultaneous hermaphrodite”; and who makes them at different times is a “sequential hermaphrodite”. In plants, most flowering plants are “simultaneous hermaphrodites” because they make seeds and pollen simultaneously. The ‘ovule’ constitutes the female part of a plant, and the ‘pollen’ constitutes the male part.