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Mnenie [13.5K]
3 years ago
10

Cytosine thymine and uracil have a single ring structure and are classified as

Biology
1 answer:
iragen [17]3 years ago
8 0

Answer:

Pyrimidine

Explanation:

This is because pyrimidine are one of the two types of heterocyclic nitrogenous bases of RNA and DNA. They include uracil, cytosine and thymine in RNA. They have single structure and have nitrogen at position 1 and ring at 3. Pyrimidine are present in Vitamins such as ribloflavin, folic acid and thiamine. Pyrimidine derivatives have characteristics that are antiviral, antibacterial, antifungal, sedative e.t.c.

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Answer:

a move from the fundamental niche to the realized niche for both species.

Explanation:

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Fundamental niche refers to all the possible functional roles of an organism in an ecosystem while realized niche refers to the specific roles the organism is limited to as a result of resource limitation, competition or other factors.

Resource partitioning involves the division of limited resources among organisms so as to avoid competition within the niche.

<em>Hence, resource partitioning causes a move from the fundamental niche of an organism to the realized  niche of that organism. </em>

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