This updated edition prepares students to succeed on the SAT Subject Test in Biology E/M (Ecology and Molecular). The
manual presents―

* A short diagnostic test
* Two full-length Biology E/M practice tests
* All test questions answered and explained
* A test overview and an extensive subject review of all topics covered on the exam
* More than 350 additional practice questions with answers

The practice tests reflect the actual test in format and degree of difficulty.