Here are some statements that is correct about adaptive radiation is :
-it occur within a single lineage
- In adaptive radiation, organisms will rapidly diversify from their ancestral species into several forms
- Usually happen because of a changes in the Environment or resources
I'd say that the answer is observational study because they're just analyzing the data and if it were an experiment they'd be taking data and comparing it.
Answer:
part 1
1 Marco was popular so when he did many people did it
2 trade in Europe expanded in many ways, the Triangle Trade was a major contributor to the economic growth of European nations. ... By supplying a seemingly endless source of slave labor to the American colonies, which were full of natural resources, European markets became flooded with raw materials and consumer goods.
PART 2
1 italy has a powrful gov
so sorry gtg bye
Explanation: