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Elena-2011 [213]
3 years ago
10

Which is the best definition of a phylogenetic tree?

Biology
2 answers:
beks73 [17]3 years ago
7 0
It is a diagram presenting the affinities of  taxons
Allushta [10]3 years ago
5 0
A phylogenetic tree<span> or evolutionary </span>tree<span> is a branching diagram or "</span>tree<span>" showing the inferred evolutionary relationships among various biological species or other entities—their </span>phylogeny<span>—based upon similarities and differences in their physical or genetic characteristics.</span>
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Question 3(Multiple Choice Worth 4 points)
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Answer:

Domains

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Living organisms are divided into three domains:

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Organisms are divided into these three domains based on genetic similarities or closeness. Archaea and Eubacteria are domains that consist of prokaryotes or prokaryotic cells.

Prokaryotes in the domain Archaea differ from those in Eubacteria because of certain characteristics like their ability to live in extreme environments and the absence of the peptiglycan in their cell walls.

Prokaryotes in the Eubacteria domain have peptidoglycan walls and RNA unique to them.

Organisms uner Eukarya, as the name suggests, have eukaryotic cells meaning the have an enclosed or membrane-bound nucleus.

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