The graph shown was taken as data during an experiment on a plant. The plant was placed in a chamber with a CO2 probe that measured the accumulation of CO2 over time in the chamber. Please tell me:
Under what conditions (favorable or unfavorable for photosynthesis) the plant was most likely placed and why.

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.

i hope this : )

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".