TLS Online TPP Program

#Question id: 4978


The dicynodonts survived the mass extinction that was most closely correlated in time, if not in cause, with

#Unit 11. Evolution and Behavior
  1. snowball Earth.

  2. a large (10 km) meteor striking the Earth.

  3. an intense period of sun-spot formation, with subsequent increase in solar radiation.

  4. the formation of Pangaea and lava flows that covered large portions of Pangaea.