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3 years ago

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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Salsk061 [2.6K]

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Diffusion across the alveoli

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It usually begins as flat red spots that appear on the face at the hairline and spread downward to the neck, trunk, arms, legs, and feet. Small raised bumps may also appear on top of the flat red spots. The spots may become joined together as they spread from the head to the rest of the body.

Explanation:

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3 years ago

What is the function of the endoplasmic reticulum?

krok68 [10]

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The steps or parts of a pattern of propaganda include organization, argument, publicity and ______ .

ioda

Answer:

Persuasion

Explanation:

Propaganda is manipulation with public opinion, it is a technique of influencing people’s actions through arguments and persuasion. Propaganda can be done in various ways and some of them are oral, written and visual ways.

As propaganda’s purpose is to convince people in something, techniques used for propaganda are founded on psychological research. People who use propaganda use arguments that don’t have to be valid but have to be convincing.

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3 years ago