Flows of energy and cycles of nutrients link the biotic and abiotic components of ecosystems into a/an system, ultimately structuring the feeding relationships, or structure of organisms that inhabit them.

The correct answer is - dynamic and trophic.

Explanation:

A/an dynamic system is linked to lows of energy and cycles of nutrients link the biotic and abiotic components of ecosystems that structure the feeding relationships, or trophic structure of organisms that inhabit them. The trophic structure is the position of the organism in the ecosystem and food chain.

The correct answer is - dynamic and trophic.

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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so whats the answer