B. They refused to recognize the Confederacy as independent.
A food resource disappears in a pond, and some frogs in a population can eat the remaining food source, while others cannot.
Explanation:
The natural selection among a species occurs when there are some major changes in the environment, most often related to the availability of food sources. In that kind of a situation, some of the individuals will be able to survive and use the remaining food sources, while some not. The ones that will be able to survive will be the stronger and more adapt.
In this scenario, we have a food resources disappearing from the environment of the frogs, so a food shortage occurs. The frogs that are stronger and able to consume the remaining food sources will be the ones that survive, while the weaker ones will be die out. This will result in a natural selection where only the best individuals of the species survive and reproduce in the given circumstances.
Factors that prompt natural selection are:
- changes in the food sources
- climate changes
- major natural hazards
- destruction of the habitat
- increased competition from other species
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False. Even though the Emancipation Proclamation FREED African Americans from slavery all across the United States, many Southern states persisted during the reconstruction era in oppressive practices such as restricting voting rights through "Grandfathering" and even continuing raids on African American homesteads and congregations. This, unfortunately, continued for a long time.
Answer:
The alliance system, which were the triple alliance formed by Germany,Italy and Austria-Hungary and the Triple Entente formed by UK,France and Russia.
The alliance system had caused great suspicion among the nations, as the alliance system was meant to be kept secret. The nations would be wary that they were to start war as they found backups for themselves.
It also support a nation's will to start a war as they would have back up, this urged WWI to happen.For example, with the support of Germany (blank cheque) Austria-Hungary sent an ultimatum to Serbia,which was impossible for Serbia to fulfill, finally lead to the outburst of WWI.
In addition, the system would enlarge the war scale to become a world war as one another would be drag into the war if one were involved.
Explanation: