I’m pretty sure it’s the second one
Chromatids......then chromosome !!!
Answer:
Adjust your day-to-day behaviors. To reduce energy consumption in your home, you do not necessarily need to go out and purchase energy efficient products. ...
Replace your light bulbs. ...
Use smart power strips. ...
Install a programmable or smart thermostat. ...
Purchase energy efficient appliances.
The answer is A) allopatric speciation elimination