Octopus and squid have chemoreceptors on their tentacles. The correct option is the third option.
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:
Answer: Change between generations
Explanation:
Heredity involves the passing of characteristics or traits from one generation to the next. It accounts for the reason as to why offspring look like their parents.
