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.
The amount of time required to prepare for this exam varies depending on the expertise you have and the time you can devote for preparation. It can take anywhere between 6-9 months to be ready for the exam.If you have a solid background in Network and IT Security you might be able to crack the exam in 3 months.I took around 6 months for studies and another 3 months for the final preparation.Here are the resources I would recommend for the preparation. 1  An All In One Study Guide (I recommend Shon Harris 6th Edition).f you have a solid background in Network and IT Security you might be able to crack the exam in 3 months. I took around 6 months for studies and another 3 months for the final preparation. Here are the resources I would recommend for the preparation.