Answer:Native specie are species that naturally lives in an ecosystem.They are usually assisted by new species.
Non native specie;These are species that exist outside their natural range.They usually exist where they have not naturally occured and they don't hinder the presence of other specie in the ecosystem.
Indicators are organisms whose existence is largely dependent on the condition of the ecosystem.
Key stone specie;These species have significant impact on their eco system.Non existence of these species can cause significant regress In an ecosystem.
Causes of decline of the listed species.
1)Pathogens and pest.
2)Human causes.
3)Loss of habitat.
4)Loss of pollinators and other plant partners.
Owl as an indicator specie has declined.
Explanation:
North America is bordered in the north by the Artic Ocean, in the east by the Atlantic Ocean, and in the west by the Pacific Ocean. Also, the Caribbean Sea is to North America's southeast.
1) The intolerable acts directly led to the American Revolutionary war since they were a direct response to the Boston tea party. 2) The supremacy clause was included so as to increase the power of the federal government because it was seen that giving states too much power was not a great idea
