2. Which list below correctly shows the levels of organization in an organism from left to right?
A organs->tissues->organ systems->cells--> organism
B. cells--->tissue >organs-->organ systems->organisms
C. organism-->cells >tissue->organs --> organ system
D. tissues-->cells--->organ systems-->organs-->organism

Its B

Explanation:

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cells--->tissue >organs-->organ systems->organisms

Explanation:

i dont know this but ask your teacher for !

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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