B. The levels of classification increased. Previously there were only 2 domains of life, Bacteria and Eukarya, but an additional domain and Kingdom were added when the distinction of Archaea was observed.
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:
Neap tide: A tide in which the difference between high and low tide is the least. Neap tides occur twice a month when the Sun and Moon are at right angles to the Earth. ... Spring tides occur when the Moon is either new or full, and the Sun, the Moon, and the Earth are aligned.
Answer: Neap tide
Answer:
Scientists use the fossils around the new fossil to find its relative age.
Explanation: