Well, Euglena is in phylum Euglenophyta, and Paramecium is in phylum Ciliophora. You can verify that with a quick Google search.
<span>Does that sort of narrow it down? :)</span>
Answer:
An ecological pyramid is a pyramid that illustrates the relations between living organisms at different levels
Answer: The correct answer would be B
First one is C) A phosphate group is added, and the second is D) Kreb's cycle