Answer: emigration or increase in death rate
Explanation:
Many factors can modify the animal population in a specific area.
Amphibian populations are affected mostly by changes in temperatures, altered dry season rainfall, and modified leaf litter depth.
Considering the options provided, only emigration and an increase in death rate could explain the decrease of the frog population.
Immigration and an increased birth rate would result in the population growing, not decreasing.
The indigenous Aborigines have recently received an apology from the "Australian" government, since years of colonization led to great human abuses against the native people.
Answer:
Among the options given on the question the correct answer is option O.
All of the above
Explanation: There were a series of wars between the colonial force and the native Americans which were mainly Indians.Even after the independence of the America from British there was a war between Indians and whites. After, independence the federal government took some policy Indians which were not pleasant for them, which led a bloody war between the Indians and white troops.
The duration of the war was long. But the in the long run the Indians were defeated. There were some reasons for the defeat of Indians. The buffalo soldiers were an important part of the war. They were the strength of the Indians warriors. But the decrease of their number became a reason of their defeat.
On the other hand, the white soldiers had advanced military technology like as guns, canons etc. But Indians did not have enough modern weapon to fight against the white soldiers.
Moreover, the number of Indians were less than white Americans. As a result they were outnumbered.
Therefore, all these factors led the defeat of Plains Indians.
