Considering the available options, the organisms that could occupy two different places within the same food chain are remora, pitcher plant, and Venus flytrap.
What is Food Chain?
Food Chain is the straight web of links in a food network beginning from producer organisms and stopping at top predator animals, detritivores, or decomposer organisms.
In this case, remora is a predatory fish and can also be eaten by higher animals like bigger fish or crocodiles.
Also, the pitcher plant is a carnivorous plant that can trap and consume small animals and, at the same time, can be consumed by more giant animals.
Similarly, the Venus flytrap is a plant that can trap and consume small animals while being eaten by bigger animals.
Hence, in this case, it is concluded that the correct answer is options B, C, and D.
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