Sir, please elaborate this paragraph especially last lines.".. bits and pieces........".

jOined and have since moved apart. The creation of Gondwana Gondwana's final formation occurred about 500 million years ago, during the late Ediacaran Period. By this time, multicellular organisms had evolved, but they were primitive: The few fossils left from this period reveal segmented worms, frond-like organisms and round creatures shaped like modern jellyfish. In this world, Gondwana conducted its slow grind to supercontinent-status. Bits and pieces of the future supercontinent collided over millennia, bringing together what are now Africa, India, Madagascar, Australia and Antarctica. This aarlv version of Gondwana joined with the other landmasses on Earth to form the single aanlkon ia 220 milion vears ago,