> Moving to the next question prevents changes to this answer uestion 6 The inte

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> Moving to the next question prevents changes to this answer uestion 6 The intestinal parasite Giardia lamblia (a protist" in the clade excavata) shares a similarity wth tho anthrax bactenum Bacs antvacis, in that they both proteinaceous cysts upon exposure to adverse condtions such as beng exposed to air when eiminated from the body along with faces. With regard to the o relationships of both orgarisms, what does this similanity bust exemplily? nt is an shared derived characteristic (a synapomoaply), so both Giarcha labsia and Bacillus anthvacis are highly advanced tava Encystmen Bacillus anthraci It is nol possibie to assess evolutionary relationships using thes charactenistic Encystmernt is a shared ancestral characteristic (a symplesiomorphy) that aose separately in nach lineage due to common evol is is a direct ancestor of Giardia lambia, and due to similar evolutionary pressures, t he charactenistic of uncystment was passed along utionary pressunes Giardia lambía and Bacillis anthracs are members af the same clade and share the same most recent common ancestor

Explanation / Answer

it is not possible to define an evolutionary relation using the characteristic of encystment. Because encystment is a feature that occurs across many organisms in diverse species as a survival process. Just using this characteristic it is not possible to access evolutionary relation between the two.

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