Even a country in which the birthrate and death rate are equal can experience population growth if it also has immigration.
- In evolutionary time, migration will often quickly converge gene frequencies among populations. Migration is a powerful mechanism for balancing the gene frequencies of subpopulations in a species in the absence of selection. Gene frequencies will eventually equalize if the migration rate is larger than zero.
- Migration refers to the movement of people, groups, or populations. Migration facilitates gene flow, or the transfer of genes from one population to another, in terms of genetics. Migration—or, to be more precise, gene flow—alone will quickly bring the gene frequencies of the two populations together if they initially had distinct gene frequencies and if selection is not at work.
Therefore, immigration is the correct answer.
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1 to 2 Felt slightly by some people. No damage to buildings.
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3 to 4 </span><span>Often felt by people, but very rarely causes damage. Shaking of indoor objects can be noticeable.
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<span>5 to 6 <span>Noticeable shaking of indoor objects and rattling noises. Felt by most people in the affected area. Slightly felt outside. Generally causes none to minimal damage. Moderate to significant damage very unlikely. Some objects may fall off shelves or be knocked over.
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just look up Richter Magnitude scale </span></span>
Answer:
sciatic nerve
is located at the base of the spine and running along the back of each leg into the foot.
Answer:
• Men with Klinefelter's syndrome have an extra X chromosome.
• Of the 23 pairs of chromosomes, one pair is called the sex chromosomes because they determine a person's sex. One sex chromosome is inherited from the mother and the other from the father. Mothers always pass on an X chromosome, but fathers can pass on an X or a Y chromosome. -
•The normal male chromosome arrangement is 46XY, but men with Klinefelter's syndrome have 47XXY. The extra X chromosome can come from either parent.
Explanation:
Answer:
The leatherback is the largest living sea turtle.
Explanation:
The Leatherback is the largest sea turtle existing today, which can reach up to 2000 pounds in weight and 8 feet in size. These turtles belong to a reptilian family that has been around for more than 100 million years.
