Which are repeated, cyclic behavior patterns related to external stimuli? Check all that apply. eating
panting
hibernating
shivering
migrating

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///

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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