According to the woman, what happened 200 to 500 million years ago
A: Some sea creatures developed vertebrae.
B: The first giant squid was captured.
C: Some sea creatures shed their shells.
D: Sea life became more intelligent.
A: Some sea creatures developed vertebrae.
B: The first giant squid was captured.
C: Some sea creatures shed their shells.
D: Sea life became more intelligent.
举一反三
- Listen to the statement and circle the appropriate letter. What is the topic of this statement A: sea urchins B: sea otters C: the relationship of many sea living creatures in the kelp forest
- 34. The safety of Life at Sea Convention was developed by the __________
- England first became a sea power in the time of ( ).
- The greenhouse effect resulted hundreds of million years ago when _________. A: the atmosphere changed dramatically B: oxygen levels on the earth became lower C: the sea levels became lower greatly D: the sediment gave off enormous carbon and methane
- England first became a sea power in the time of Victoria.