Examlex
It was once thought that cetaceans had evolved from an extinct group of mammals called the mesonychids. If, in the future, it is determined that some organisms currently classified as cetaceans did actually evolve from mesonychids, whereas other cetaceans evolved from artiodactyl stock, then what will be true of the order Cetacea?
Q9: The first terrestrial organisms probably were considered
Q11: You are designing an artificial drug-delivery "cell"
Q18: Which of the following pieces of evidence
Q22: Which structure(s)must pass through the micropyle for
Q27: Which of the following are protists, the
Q33: What is a key difference between spores
Q33: What important criterion was used in the
Q42: What was the prevailing belief prior to
Q57: Why do photosynthetic protists play a critical
Q58: Assuming that they all belong to the