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Alex Ar [27]
3 years ago
12

You are studying a new species of eukaryotic microorganism, and observe by microscopy that its nucleus contains exactly 2 linear

chromosomes. From this basic information, you can conclude:
a) the cell is probably haploidb) the cell is probably diploidc) no conclusion on the ploidy of the cell can be made with this informationd) the species must have small genome, compared to human cells
Biology
1 answer:
8090 [49]3 years ago
7 0

Answer:

Option D

Explanation:

The species probably has a small genome that is made up just two linear chromosomes such as that seen in the Jack jumper ant genome. It containing exactly two linear chromosomes could be a single pair of homologous chromosomes thus maybe indicating the cell is probably diploid but this is not enough to conclude on the ploidy.

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Answer:

Option B) study information related to the Cenozoic era

Explanation:

The complete question is

Scientists discovered that the Eocene time period existed in Earths history around 34 MYA. What do they need to do to determine what time period Eocene belongs to on the geologic time scale?

A) learn what happened during Precambrian time

B) study information related to the Cenozoic era

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Solution -

The period of Eocene belong to the Cenozoic era. The Cenozoic era is divided into three periods-  

a) The Paleogene – Existed between 65.5 to 23.03 million years ago

b) The Neogene - Existed between 23.03 to 2.6 million years ago

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B) The Eocene – existed between 55.8 to 33.9 million years ago and  

C) The Oligocene – existed between 33.9 to 23.03 million years ago

Hence, studying about Cenozoic era will give information about the Eocene epoch

Hence, option B is correct

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