True/False
When ocean levels dropped about 70 million years ago,marsupial mammals moved into North America and displaced many of the placental mammal species.
Correct Answer:

Verified
Correct Answer:
Verified
Q7: Some dinosaurs and birds share characteristics that
Q8: According to fossil evidence,Tiktaalik either crawled or
Q9: According to Plate Tectonics Theory,Earth once consisted
Q10: The large geologic time period which includes
Q11: Amphibians,birds,and mammals look the most similar as<br>A)
Q13: The abundant presence of ammonite fossils,corals,sponges,and crinoids
Q14: Which of the following is least likely
Q15: The name of the specialized field of
Q16: Figuer: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4116/.jpg" alt="Figuer: -A
Q17: The fossil record is often incomplete,in part