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Alisiya [41]
3 years ago
6

Darwin noticed the beak of finches on each Galapagos Island were slightly different and matched the food found on each island. T

hey were all different than the finch beaks on the nearby South American coast. All
around the world we see slight variations of organisms based on their
environment. This evidence for evolution is called
biogeography.
embryology.
fossils.
Anatomy.
molecular
Biology
1 answer:
andrew-mc [135]3 years ago
3 0
Biogeography makes the most sense
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Gene flow and genetic drift both affect allele frequencies in a population. A high level of gene flow into a population genetic
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A high level of gene flow into a population increases genetic diversity in a population. A high level of gene flow out of a population decreases genetic diversity in a population. Genetic drift is the change in allele frequencies due to "sampling error" factors. Typically, genetic drift has the biggest impact on small populations.

Gene flow (or gene migration) is a mechanism of evolution (change the allele frequencies) which transfers genetic variation among populations due to migration. High level of gene flow decreases the genetic differentiation between the two populations.

Genetic drift is a mechanism of evolution that acts by chance (“sampling error”) often when a population is reduced in size by a natural disaster (bottleneck effect) or when a small group leaves the main population and forms a colony (founder effect).


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Which of the following bacteria can grow in low oxygen environment: Salmonella Yersinia Listria monocytogenes Clostridium botuli
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Saturated fatty acids are different to unsaturated fatty acids because they have no C=C double bonds.

<h3>What are the differences between saturated and unsaturated fatty acids?</h3>
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