(2)Whydidthefindingsdrawalargeamountofinterestinthescienceworld? ___A.Becausethereisalackoffishfossils.B.Becausejawsareakeyfeatureofallspecies.C.Becausethemissingofthejawhadbeenamystery.D.Becausejawsaresignificantwhileanimalsevolve.(3)Whatdoestheunderlinedphrase"atthattime"referto? ___A.Around440million...
These fossils show that jawed fish were already thriving (繁荣) in the world’s ancient oceans at that time. Later on, more diverse and larger jawed fish evolved and began to spread around the world, paving the way for some fish to eventually go on land and evolve into other animals —...
When did fish evolve into amphibians? Which group of primitive amphibians gave rise to the subclass Lissamphibia? Which amphibians have scales? What amphibians live in Florida? When do amphibians develop gills? What amphibians live in the ocean?
What evolved first - birds or fish? Are ostriches an endangered species? Do ostriches lay eggs? How many toes do ostriches have? What is a theropod with feathers? How many stomachs do ostriches have? What is ostrich hide? What did killer whales evolve from?
Did fish evolve from tunicates? Fish may have evolved from ananimal similar toa coral-like sea squirt (a tunicate), whose larvae resemble early fish in important ways. ... Vertebrates, among them the first fishes, originated about 530 million years ago during the Cambrian explosion, which saw...
Later on, more diverse and larger jawed fish evolved and began to spread around the world, paving the way for some fish to eventually go on land and evolve into other animals — including humans. 这些化石表明,颚鱼在当时已经在世界古代海洋中thriving。后来,更多样化和更大的颚鱼进化并开始在世界...
Later on, more diverse and larger jawed fish evolved and began to spread around the world, paving the way for some fish to eventually go on land and evolve into other animals-including humans."These fossils provide an unprecedented(前所未有的) opportunity to peek into the ‘ dawn of fish'...
Did humans used to have tails? Our primate ancestors used their tails for balance as they navigated treetops, but around 25 million years ago, tailless apes started appearing in the fossil record. How did fish evolve into humans? There is nothing new about humans and all other vertebrates hav...
But you did a good job in. All of you tied your best in. And ever through you are a newcomer. You have also given me a lot of help. Do you remember last Friday? You have. Don't mention it. It was my pleasure by the way. And you Free this evening. Yes. What for? Well, ...
What did sharks evolve from?Question:What did sharks evolve from?Sharks in the Sea:Sharks are one of the most successful life forms the world has seen, having evolved little over hundreds of millions of years. Today, they are the largest fish in the world and some of the largest ocean pr...