Brownsville is a borough in Fayette County, Pennsylvania, United States, officially founded in 1785 located 35 miles (56 km) south of Pittsburgh along the Monongahela River.
2nd Item Specification: Given a group of organisms and a key, classify organisms based on observable characteristics. Depth of Knowledge Level 1. 1  A tool used by scientists to identify unknown organisms based on observable characteristics is called a. 2  dichotomous key.
Split and merge into it. Answered by The Community. Making the world better, one answer at a time. tools that the biologist use are microscopes, petri dish, laboratory, test tubes, beakers, and computers tools that the biologist use are microscopes, petri dish, laboratory, test tubes, beakers, and computers.