biology online homework help

1.open https://troy.blackboard.com/webapps/login/ and click the trojan web express.

username: yzhao@troy.edu

password:Zyc19970416

2.find and click TROYONLINE Principles of Biology BIO-1100-XTIB 16/T2 (Grilliot)

3.find and click Pearson MasteringBiology

4.click Welcome to MasteringBiology and finish the Ch03 and Ch04

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