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Nesterboy [21]
2 years ago
9

Despite prokaryotic microbes being invisible to the naked eye, Rob Dunn and his team understood that they were likely to find su

ch microbes on their test subjects since prokaryotic microbes can reproduce rapidly and thrive on the human body. What other advantages do prokaryotes have as a result of their rapid reproduction?a. the ability to quickly evolve to survive harsh environmentsb. abilitytobecomeoneofthelargestorganisminourecosystemc. ability to become highly abundant in most ecosystemsd. the most important organism in an ecosystem
Biology
1 answer:
Nadusha1986 [10]2 years ago
4 0

Answer: c. ability to become highly abundant in most ecosystems.

Explanation:

The prokaryotic microbes are small tiny creates which remain invisible to the naked eyes. These require special instruments to be observed. The reproduce at a considerable rate and they have the tendency to spread all over the world in a short time. Their reproduction is simple that is division of the parent cell into daughter cells. This facilitates their abundance in most ecosystems initiating with colonization in living organisms.

The given situation indicates that rapid reproduction facilitates the microbes to become abundant in the ecosystem.

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A small island is home to a unique population of land snails. This population was founded by 10 individuals that floated to the
vekshin1

Answer:

  • The Island population likely has fewer alleles-that is versions of genes-than the mainland population.

       A- Agree <u>B- Disagree</u>

  • Genetic drift is more pronounced in the island population than in the mainland population in these first few generations

       A- Agree <u>B- Disagree</u>

  • Some harmful traits may have become more common in the island population than in the mainland population

       <u>A- Agree</u>- B- Disagree

  • Biologist observed genetic drift but not evolution

       <u>A- Agree</u> B- Disagree

Explanation:

If there was genetic drift, then allele frequency either increased or decreased by chance, irrespective of natural selection that is irrespective to weather those alleles helped individuals survive in the island environment. In molecular genetic data, there are statistical signature in the  population variation that indicate weather selection or other processes occurred.

7 0
3 years ago
A woman produces an egg with 24 chromosomes, including 2 copies of chromosome 21. If the egg is fertilized by a normal sperm, th
Zielflug [23.3K]

Answer:

47

Explanation:

We all know that gametes like egg cell and sperm have haploid set of chromosomes but here as per this question she has produced 2 copies of chromosome 21. For the sake of maintaining haploidy, she was supposed to have only a single copy of chromosome 21 as a result of which her egg cell was supposed to have 23 chromosomes not 24.

But, this is a case of non dis-junction. Also, in a normal sperm there are no such copies of any chromosome i.e. there is a haploid set of chromosomes. It means that sperm must be having only 23 chromosomes. So we can easily infer that when the egg cell and sperm will fuse, the zygote will have 47 chromosomes (24 from egg cell and 23 from sperm).  

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The answer is A i think
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grandymaker [24]

Answer:

The answer would be D

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Explanation:

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The correct answer is the pancreas
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