The answer is number 3 because the species has to adjust rapidly to change their environment.
It's an Agrarian society, hope this helps!
Enzymes break up the electrons of water to yield oxygen and hydrogen gas
Answer:
Polymerase chain reaction, or PCR, is a laboratory technique used to make multiple copies of a segment of DNA. PCR is very precise and can be used to amplify, or copy, a specific DNA target from a mixture of DNA molecules.
Explanation:
