What best describes the difference between protists that have cilia and those that have flagella

The species protists have some kind of organelle for their locomotion. Some forms of protists move by floating but a majority of the protists move either through flagella or cilia which categorizes them as ciliates or flagellates. Some of the protists use pseudopodia for feeding as well as for locomotion.

Both cilia and flagella are similar structurally, the only distinction being flagella are longer.

The protists having cilia for their locomotion or movement have hair like extensions and the protists having flagella for their movement have only single hair like extension.

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the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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