Which of the Following Marine Groups Became Extinct During the Mass

Q7: Deep sea trenches are formed by<br>A) volcanoes.<br>B)

Q8: The intervals of the geological time scale

Q9: A region that includes northern fir forests

Q10: Fossils in rocks tell us of the

Q11: The following are events in the history

Q13: The oldest known supercontinent is<br>A) Gondwana.<br>B) Rodinia.<br>C)

Q14: Descendants of a small rodent-type animal have

Q15: The geographical regions recognised for plants are

Q16: The oldest land vertebrates lived approximately 416

Q17: The body of a mammal falls into