The number of protons in the nucleus of the atom.
cellular from what i researched
The condition common to protozoa whereby the cell of the organism acts as a gamete is isogamy. It is <span>a condition in which the sexual cells, or gametes, are of the same form and size and are usually indistinguishable from each other. Hope this answers the question.</span>
Answer:
those are homologous structures, they share a common ancestor, they have similar bones but different functions