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Dafna1 [17]
2 years ago
12

A subset of a population of birds leaves its habitat on the mainland and colonizes a nearby island. The birds, after a period of

time, become reproductively isolated. The island sinks and the population of birds that lived on the island returns to its original habitat. Which of the following statements about these bird populations is true?
A) The populations will not be able to interbreed because they are different species.
B) Different species cannot interbreed.
Biology
1 answer:
Kazeer [188]2 years ago
6 0

Answer:

The answer is A - The populations will not be able to interbreed because they are different species and different species cannot interbreed

Explanation:

The population of birds become reproductively isolated because they are different species and different species are unable to interbreed. This is as a result of barriers which are called mechanisms of reproductive isolation which involves mechanisms, behaviors and processes that are critical for speciation. In reproductive isolation the different species are able to live in the same are but their properties and characteristics do not allow them interbreed to produce healthy and sterile offspring.

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Do the organism's colls have nuclei?

Explanation:

Protists represent eukaryotic organisms whose cells contain a nucleus and organelles delimited by membranes, whereas Archaea and Bacteria are unicellular prokaryotic organisms that lack a cell nucleus, in which the genetic material (chromosome) is localized in a part of the cytoplasm named nucleoid. Eukaryotic organisms include protists, animals, plants, fungi, and most algae. Most protists are unicellular, although there are species that are multicellular.

6 0
2 years ago
Howard is explaining the process by which DNA determines the structure of proteins. His explanation includes this statement. "Th
andrew-mc [135]

Answer:

Transcription and RNA processing (splicing)

Explanation:

Although Howard is almost right, the DNA sequence does not precisely relate to the protein sequence. First of all, the DNA is transcribed to an primary mRNA molecule. Bur before the mRNA is ready to be translated into an amino acid sequence, it must be processed into a mature mRNA.

This includes adding a 3' poly A tail, and a 5' cap, and importantly for this question, splicing.

Splicing is the removal of non protein coding intermediate sequences called introns from the protein coding regions (exons) of a primary mRNA. This means that lots of the DNA sequence is not dictated by the final protein, as many of the intervening sequences have been removed by splicing.

8 0
2 years ago
The steps of the DNA ladder are made of _____.
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5 0
3 years ago
Is a post oak tree is a autotrophic or heterotrophic
Tcecarenko [31]
All plants are autotrophic.

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6 0
3 years ago
What is the process in the cell can be disturbed by the destruction of the mitochondria?
Troyanec [42]

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The correct answer is - C. oxidation of substances organic.

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The Krebs cycle that takes place in mitochondria and performs oxidation of organic molecules will also be disturbed and there will be no energy for any process.

6 0
2 years ago
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