Answer:
D.They were looking for a shorter route to Asia.
Explanation:
I know a thing or two because I've seen a thing or two( i took the usatestprep test and got it right.)
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:
<span>It's quite difficuld to put the right word without options. But I think, I know the answer. Speciation requires that two populations become separated from each other.</span>