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Shark teeth offer clues to ancient climate change（图）
Shark teeth clues ancient climate change
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2021/2/5
A character in a great white shark movie said that all sharks do is "swim and eat and make little sharks."It turns out they do much more than that. Sharks have roamed Earth's oceans for more than 400 ...
How do shark teeth bite?Reciprocating saw,glue provide answers
shark teeth Reciprocating saw glue
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2016/9/29
Sharks have a big reputation for their teeth.The ocean predators use their buzz saw mouths to efficiently dismantle prey, ranging from marine mammals and sea turtles to seabirds and — as Hollywood lik...
Ancient shark teeth give clues to future of Arctic climate change
Sharks The North Pole. Tundra Animal Temperate forests Temperature The ocean Deep sea
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2014/7/18
A new study of sharks that lived in warm Arctic waters millions of years ago suggests that some shark species could handle the falling Arctic salinity that may come with rising temperatures.