The Oldest Land Vertebrates Lived Approximately 416 Million Years Ago

Q11: The following are events in the history

Q12: Which of the following marine groups became

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

Q17: The body of a mammal falls into

Q18: Which of the following statements is INCORRECT?<br>A)

Q19: All of the following organisms were dominant,

Q20: The top 1000m of the ocean is

Q21: The largest mass extinction in the earth's