|Middle School - Life Science - Prentice Hall- Pearson|
|Topics of learning Science for 7th and 8th graders . Grade 7 and Grade 8 - Middle School The sub-topics for this group is based on a book " Prentice Hall Science Explorer " by Pearson. http://www.phschool.com/webcodes10/index.cfm?wcprefix=chk&wcsuffix=1000&area=view|
Chordates and Vertebrates
Vertebrates and Invertebrates
Bone Up on Backbones A Guide to Vertebrates and Invertebrates Vertebrates are animals that have a backbone or spinal column. These include mammals ...