Useful Links
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-Previous Living Environment Regent Exams and Regents Prep:
http://www.nysedregents.org/livingenvironment/

http://regentsprep.org/regents/core/questions/topics.cfm?Course=BIOL

-Very useful link that cover all course topics and can use to substitute the science textbook:

http://www.regentsprep.org/Regents/biology/biology.cfm

-Ecology Unit useful websites to study and review:
http://www.eschooltoday.com/natural-resources/what-is-a-natural-resource.html

https://www.khanacademy.org/science/biology/crash-course-bio-ecology

https://www.khanacademy.org/science/biology