Answer: The number of H+ ions moving down the channel
Explanation:
<span>Members of the same species found within a particular area are referred to as a </span>Population.
<span>Sex cells are called gametes. Gametes are haploid sex cells that are produced in gonads or gametangia. In animals, gametes are produced through meiosis in organs called gonads. In some primitive plants, algae, and fungi, gametes are produced through mitosis in haploid structures called gametangia.</span>
