In sexual reproduction, what type of cell(s), haploid or diploid, do these organisms have ?

During sexual reproduction, specialized haploid cells from two individuals join to form a diploid zygote. ... The haploid multicellular plants are called gametophytes because they produce gametes. Meiosis is not involved in the production of gametes in this case, as the organism that produces gametes is already haploid.

answer; //the above statement is (false);

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.