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Simora [160]
3 years ago
7

Data was collected concerning Galapagos bird beak size over time. There are several species finches, and they are also known as

Darwin's Finches. These finches share the same habits and characteristics except for one; they all have different shaped and sized beaks. The differences in their beaks might be the most important aspect of their survival. Around 1977, there was a huge drop in finches with small beaks while there was a great increase in large-beaked birds. How can you explain this?
Biology
2 answers:
astra-53 [7]3 years ago
4 0

Finches adapt to the new conditions such as drought by changing the size, shape and depth of their beaks. Beak morphology varies according to drought conditions. Since after the drought, vegetation dries out and the hard, big, tough seeds remain, only the finches with deep beaks will survive. Finches adapt via their beaks to different foods sources and different local conditions.

frutty [35]3 years ago
3 0

Answer:

Darwin studied the finches which differed mainly in their beak shape and size.  These finches evolved with various beak sizes based on the availability of food. Long beaks would be helpful to pick the seed from the cactus fruits whereas short beaks would be helpful to feed on seeds at the ground level. The unavailability of food i.e seeds at the ground level would have caused such changes. Its survival of the fittest while adapting to their new or changed environment.

Explanation:

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2 years ago
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Ainat [17]

Answer: ecosystem

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5 0
2 years ago
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ollegr [7]

If you want to grow up a large quantity of streptomycin-resistant E. coli, you would require to pick a colony of the bacteria from the streptomycin-positive plate and allow to grow it on a streptomycin positive plate.

<h3>What is E. coli?</h3>

E. coli may be defined as a type of bacterium that is commonly present in the intestinal regions of humans and other animals, some strains of this bacterium can significantly cause severe food poisoning.

The strain of streptomycin-positive is those population of E. Coli which is significantly streptomycin resistant, while the negative strain has the opposite effect.

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To learn more about E. Coli, refer to the link:

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3 0
1 year ago
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mrs_skeptik [129]
<span>adding a unit to move a susceptible group enough to prevent metabolism is known as shifting.
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Competition for bounding proteins can happen between two drugs for example. If they have a different degree of affinity for proteins, then the most affine will displace the less affine from the protein and bound it, and that is call shifting</span>
3 0
3 years ago
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