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Illusion [34]
3 years ago
7

Why do you think that we find trilobite fossil in the bottom layer only

Biology
1 answer:
devlian [24]3 years ago
5 0

Answer:

The trilobite fossils are found in the bottom layer only because they are always attached to the sedimentary rocks as other marine organisms fossil.

Explanation:

  • Mostly all the fossils are formed in fossil layers in sedimentary rocks at the bottom of the sea.
  • Trilobites were the exclusively marine arthropods those were found in the sea water ranging from shallow to deep sea water.
  • The fossils of trilobites are mostly found in the rocks containing the fossils of other marine animals such as corals, brachiopod and crinoids.
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Total nucleic acids are extracted from a culture of yeast cells and are then mixed with resin beads to which the polynucleotide
mr Goodwill [35]

The question is incomplete as it does not have the options which are:

(a)DNA (b)tRNA (c)rRNA (d)mRNA

Answer:

Option-mRNA

Explanation:

The mRNA is synthesized from the DNA and which is also a type of nucleic acid. When the nucleic acid is extracted from the yeasts and then mixed with the resin beads to which the polynucleotide with thymine base oar is attached.

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3 years ago
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kirill115 [55]

Answer:

b

Explanation:

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4 years ago
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6 0
3 years ago
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when members of a population are separated from each other by a physical barrier, causing new species to develop.​
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