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Dafna11 [192]
3 years ago
5

Long-term recurrence of neoplasia and barrett's epithelium after complete endoscop

Biology
1 answer:
LiRa [457]3 years ago
7 0
Even after seemingly complete endoscopic resection recurrence of neoplasia is frequent and independent of additional thermal therapy.
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There are two species of freshwater shrimp that are introduced to a pond. The first species, Caridina cantonensis, is brightly c
Marina86 [1]

Explanation:

Natural selection is the mechanism that is responsible for the evolution of organisms.  

In the given case, the Freshwater shrimp has been introduced to a pond in which the two species with variations are introduced.  

The <em>C. cantonensis </em>is brighter in color whereas the <em>C. multidentata</em> is mottled drab in color. The predator fish can feed easily on the species which is brighter therefore <em>C. cantonensis</em> is more susceptible. The mottled drab species is not easily predated by the species.  

The 30 % offsprings of <em>C. cantonensis</em> can survive till the reproductive age  whereas 75% of C. multidentata. This shows that natural selection has acted on the color of the shrimp species selected against the predator fish species.

The species with mottled drab color is the result of the differential reproductive rate.

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A species' realized niche ________. cannot be larger than its fundamental niche cannot be smaller than its fundamental niche is
antoniya [11.8K]

Answer:

C. cannot be larger than its fundamental niche

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Which cellular structure is the site of photosynthesis?
yKpoI14uk [10]

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Its b

Explanation:

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What type of Symmetry does a roundworm have. <br> A bilateral <br><br> B none <br><br> C radial
ExtremeBDS [4]

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none

Explanation:

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DNA or protein can be used as a molecule clock that tells how long it has been since two species have diverged from a common anc
Liono4ka [1.6K]

Answer:

DNA or protein can be used as a ''molecular clock'' that tells how long it has been since two species have diverged from a common ancestor. The fossil record is usually derived from sedimentary rocks laid down millions of years ago.

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