What are the three modes of horizontal gene transfer?

What causes darkening of the skin as melanin production increases

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?