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?

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Solve for r in the formula v = ir, when i = 5 and v = 15.

What is one reason why areas that are just beginning to industrialize typically have a higher rate of population growth than countries that are already industrialized? a. most industrialized countries have laws regulating how many children women can have. b. the average lifespan in developing countries is much higher than in industrialized countries. c. developing countries need labor to fill their rapidly expanding industries. d. developing countries are just beginning to experience improved food production and health services.