Sponges can reproduce
a. by the budding of new sponges from the parent.
b. by a breakup of the original parent into fragments that each become a new sponge.
c. sexually, using the production of sperm and eggs.
d. all of the above

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.