I believe the answer is water
It goes
Cell -> Tissue -> Organ -> Organ System -> Organism
So the answer would system level :)
It is implanted within the Uterus where it will grow into a fetus. Hope this helps! :)
The answer is C.
A. There is no exchange of water between organisms.
B. A single organism is excreting fluid. This will then evaporate into the atmosphere. No exchange takes place.
C. An animal consuming an organism involves two organism that both contain water. One absorbs the other’s water through digestion.
D. A plant absorbs nutrients from the soil. This could also be correct as there are organisms in the soil losing water through decay. However those organisms aren’t identified in the statement. This means that C. is the best answer.
B is the answer and I hopes this helps