Answer:
A) A single base pair change.
Explanation:
Point mutation is a change in a single base pair of a nucleotide. This comes as a results of mistakes made during DNA replication, induced by ultravoilet radiations, extreme heat and X-rays. There are three types of point or substitution mutations; change, deletion and insertion. The nucleotide bases are either mistakenly inserted, changed or deleted, thus changing the resulting protein or amino acid being coded for.
You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
Parasitism; the tick benefits from the human, the host.
sorry what this means¯\_(ツ)_/¯
