9. Scientists break down evolution into which two categories?
- macroevolution and genetic drift
- microevolution and mass. extinction
-natural selection and macroevolution
-microevolution and macroevolution

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

What are the probable phenotypes of their offspring

The distribution of related animals and plants across the world