Answer: In the late 1800's and early 1900's, urban areas of the United States attracted thousands of immigrants because of the ready availability of industrial jobs.
Answer: Bottleneck effect
Explanation:
The bottleneck effect is terms of population size is one of the concept in which there is large reduction in the population size due to the various types of environment related factors and also due to the human activities are as follows:
- Floods
- Droughts
- Fires
- Earthquakes
- Planning of the human population
According to the given question, Bottleneck effect is one of the congestion point in which the large number of species or we can say that population is killed and it also increase the genetic drift. So, the above given situation is illustrating the concept of bottleneck effect.
Therefore, Bottleneck effect is the correct answer.
Explanation:
The most destructive disease brought by Europeans was smallpox. The first well-documented smallpox epidemic happened in 1518. The Lakota Indians called the disease the running face sickness. Smallpox was lethal to many Native Americans, bringing sweeping epidemics and affecting the same tribes repeatedly.
The answer is dopamine. The drug, chlorpromazine, has the capability of blocking dopamine in which helps schizophrenic patients for they were able to calm the patients that are schizophrenic in regards with their emotional feelings. This has help them calm down as it has the function of blocking the dopamine receptors.
In most places they celebrate Easter because it was when Jesus the son of god had risen
Easter and Good Friday in Philippines are indeed celebrated in a unique way. The most striking feature in the Easter celebration is that Filipinos whip themselves and wear crowns of thorns. Some even choose to nail their hands and feet to a wood to represent the crucifixion of Jesus.
