Leeches are famous as blood-suckers. The species that feed on blood have special chemicals in their saliva that prevents blood-clotting. Many blood-feeding leeches attack only fish, a few attack any vertebrate (including people), and a few are specialists on another group of animals, like turtles or waterbirds. There are also lots of leech species that don't suck blood. They are predators, eating worms, snails, aquatic insects, and other invertebrates.
The Minimum: 2 Months or 100 Total Hours. Studying for the LSAT should really take at least two months (or about 100 total hours of studying). Any less than that, and you probably wonât get the practice youâll need to get through the concepts tested.
Weeks 13-16: Take at least three practice tests per week. Extra study time should be spent primarily reviewing practice tests. [Read about law school admissions trends to watch in 2015.] Student 3: A student who is in the process of completing or has completed an LSAT prep course.