Only the energy used for growth (33 J) is available to the next trophic level, because it is used to produce more biomass which can be consumed by the next trophic level.
Answer: A. Inner Core
Explanation: The inner core is solid, the outer core is liquid, and the mantle is solid/ plastic. This is due to the relative melting points of the different layers (nickel - iron core, silicate crust and mantle) and the increase in temperature and pressure as depth increases. Hope this helps :) If not, I am sorry :( If it does, Your Welcome!
CCK: cholecystokinin
Fatty acids stimulate the endocrine cells which start the production of CCK --> contracts gallbladder and releases bile.
Http://www.indiana.edu/~geol105/images/gaia_chapter_3/wegener.htm
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