A: Yes. eTexts (VitalSource, Kindle) are proprietary formats. A PDF install gives you a standard .pdf file, but often with DRM lock. True PDF installs are rare due to piracy fears.
Avoid the grey-market shortcuts. Invest $80–120 in the official ePDF or use institutional access. Then, follow the installation guides above (Adobe Digital Editions for Windows/Mac, VitalSource for mobile) to get offline access. Your future self—mastering angiosperm phylogenies, plant hormones, and photosynthetic pathways—will thank you. A: Yes
A: Check page 1 for copyright year 2016 (for 7th edition). Look for Chapter 20: “Phylum Magnoliophyta (Flowering Plants)” – the 6th edition had a different numbering. Also, the 7th edition opens with a colorized scanning electron micrograph of Arabidopsis pollen. A: Yes. eTexts (VitalSource