Answer:
A single length of DNA is wrapped many times around lots of proteins? called histones, to form structures called nucleosomes. These nucleosomes then coil up tightly to create chromatin loops. The chromatin loops are then wrapped around each other to make a full chromosome.
Answer:
reduce light/electricity usage
recycling
use solar instruments
Answer:They must be careful not to kill their host
Explanation:
As parasites cannot survive without a host, they must have evolved to be non-lethal, this is why parasites aren’t too much of a worry, if they killed their host they wouldn’t thrive.