Answer:
A. Migration
Explanation:
Migration is one of the evolutionary forces that change the allele frequencies of the population. Migration refers to the movement of individuals from one population to another. As the individuals move out of a population, transfer of alleles also takes place. When the immigrated individuals interbreed in a new population, they add new alleles to the gene pool of that population.
In the given example, 200 garter snakes moved out of the population resulting in changed allele frequency of the original population. Since the changed allele frequency was due to the movement of snakes, it represents migration.
Answer:
The difference between founder events and population bottlenecks is the type of event that causes them. A founder event occurs when a small group of individuals is separated from the Page 3 rest of the population, whereas a bottleneck effect occurs when most of the population is destroyed
Explanation:
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The correct answer is midgut.
The guts of most modern Chelicerates are too narrow for digesting solid food, so the Chelicerates liquidize their food. Some of them do that by pumping the digestive enzymes<span> from the midgut into the prey and then suck the liquefied tissues of the prey.</span>
clean cotton cloth is used to collect fresh liquid blood evidenced at crime sense.