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olchik [2.2K]
3 years ago
10

According to this evolutionary tree, the archaea and eukaryotes last shared a common ancestor ________.

Biology
2 answers:
Lostsunrise [7]3 years ago
5 0

Answer:

2.5 billion years ago.

Explanation:

Evolutionary tree is constructed to understand the phylogeny and evolution relationship of the organism. The evolutionary tree is constructed by looking at the molecular and physiology of the different organisms.

The eukaryotes are more closely related to the archaea. Depending on the biochamical and molecular evidence is has been found that they share the common ancestor almost 2.5 billion years ago. This can also be deduced by the fossil evidence as well.

Thus, the answer is 2.5 billion years ago.  

ki77a [65]3 years ago
3 0

Answer:

The correct answer is - 2.5 billion years ago.

Explanation:

The life on the earth has evolved with 3 different lineage namely Bacteria, Eukarya, and Archaea. However the 2 are prokaryotic groups of microbes that lack membrane bound organelles and nuclei.

Recent studies suggested that these two domain, Eukarya and the Arcahea are more close than the bacteria domain. These two domains are shared the common ancestor that probably existed 2.5 billion years ago.

Thus, the correct answer is - 2.5 billion years ago.

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Answer:

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Explanation:

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