Question

because of the research conducted by j. g. m. “hans” thewissen and others, we now know that whales evolved from land - dwelling mammals. the biogeography of whale fossils helps support our understanding of whale evolution. biogeography describes the geographic locations of fossils and how they reflect evolution and continental drift. complete the following passage. approximately mya, all landmasses on earth formed a single supercontinent called . as this supercontinent began to break up mya, the modern continents we know today began to drift apart. whales began to evolve mya when these continents were well separated. fossils of early whale relatives that only swam in freshwater are found near . fossils of fully whale relatives are found . 200 500 250 pangaea terrestrial 40 india aquatic gondwana worldwide

Explanation:

Approx. 250 mya there was Pangaea. It broke up 200 mya. Whales evolved 40 mya. Fresh - water whale - relative fossils near India. Fully aquatic whale - relative fossils worldwide.

Answer:

250, Pangaea, 200, 40, India, worldwide