Use your knowledge of alternation of generations to identify labels a–f in the table.
a (spores)
b (meiosis)
c (gametophyte)
d (haploid)
e (gametes)
f (mitosis)
process of alternation of generations

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

maybe because its impossible for balloons to lift a whole entire house.

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.