Giant african millipedes often serve as the home for small mites that scavenge organic matter, but the millipedes do not appear to be affected by the interaction. this is an example of

Commensalism

Explanation:

Commensalism is an association where one of the two organisms benefits while the other is neither benefited nor harmed.

Here, the Giant African millipedes is not affected by the interaction, while the small mites benefits the shelter of a home.

Thus, it is an example of Commensalism

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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