Assertion: cryptomonad's chloroplast | /r/AtLocation | tetrakont protozoan host
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Source sentences:
text: I propose that chloroplasts originated in a tetrakont protozoan host, from which a biflagellate photo-phagotrophic lineage evolved that very soon gave rise to the euglenoids and other euglenozoa on the one hand and to the photo-phagotrophic common ancestor of the Dinozoa (dinoflagellates plus Protalveolata), the Plantae, and the Opalozoa on the other.