3. The birds shown below live on a single island. (7.L.15.2)
3. These 4 bird species are closely related, and all of them
share a common ancestor with a single species. What
environmental factor is most likely to have caused 4
distinct species to come about?
Name a type of evidence that scientists might use to show
that these birds are related, and evolved from a single
species over 1 million years ago?

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

What causes heat transfer in fluids

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation