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Why is the dna of crocodiles is more similar to birds dna as compared to dna of turtles?
Simply put, birds are evolved from small dinosars, and dinosaurs belong to the same group that crocodiles belong to, archosauria, while turtles belong to the group sauropsida, because, while they appear to be more similar to crocodiles than birds, the evolutionary common ancestor they share is far more ancient, unlike that of crocodiles and dinosaurs. That's evolution for you.
Do birds and reptiles share a common ancestor?
Yes. If you go back far enough, all life on Earth shares a common ancestor.
What is the Crocodile's family history?
Crocodiles, alligators, gharials & caimans are all of the same Crocodilia family. They evolved from marine crocodiles and, over time, divided and adapted to their habitats - the nile and saltwater crocodiles are big and muscular so that they can take down prey such as wildebeests, whereas others like the dwarf crocodile are small and nimble, enabling for swift and easy kills on smaller animals (and sometimes insects!) Hope that helped :)
What white birds are near crocodiles?
Egrets and herons are commonly seen near crocodiles, as they often feed on the same fish and insects found in the water. These birds are generally not threatened by crocodiles as they can fly away quickly if needed.
How do crocodiles clean their teeth?
Crocodiles clean their teeth by opening their mouths wide and allowing small birds called "crocodile birds" to pick food bits and debris from between their teeth. This cleaning symbiosis benefits both species as the birds get a meal and the crocodiles get their teeth cleaned.
That crocodiles share a common ancestor with bird dolphins and dog support your answer?
Crocodiles and birds share a common ancestor. This can be seen by comparing the internal anatomy of the two. Dogs and Dolphins also have a common ancestor. Their skeletons again are both distinctly mammillian. The ancestor of dogs and dolphins and the ancestor of birds and crocodiles will again share a common ancestor, but you will need to go much further back. I am not sure of the timescales but we are talking tens to hundreds of million years.
Crocodiles share a common ancestor with birds dolphins and dogs?
Yes, if you go back far enough.
What type of animal was the common ancestor of mammals and birds?
The common ancestor of mammals and birds was a reptile.
Why is the dna of crocodiles is more similar to birds dna as compared to dna of turtles?
Simply put, birds are evolved from small dinosars, and dinosaurs belong to the same group that crocodiles belong to, archosauria, while turtles belong to the group sauropsida, because, while they appear to be more similar to crocodiles than birds, the evolutionary common ancestor they share is far more ancient, unlike that of crocodiles and dinosaurs. That's evolution for you.
Why do we think birds Evolved from crocodiles and alligators?
They didn't but they do share a common ancestor. Looking at fossils, scientists have determined that bird evolved from small carnivorous dinosaurs. Both dinosaurs and crocodiles stem from a group of reptiles called archosaurs.
What other reptiles are related to crocodiles?
Crocodiles are distantly related to lizards and snakes and even more distantly related to turtles. Strangely, the closest relatives to crocodiles and alligators are actually birds. This is because both crocodiles and dinosaurs belong to a group called archosaurs. Birds, in turn, evolved from dinosaurs.
Do birds and mammals inherit intelligence from a common ancestor?
yes
How could you use molecular biology to determine if these birds evolved from a shared common ancestor?
Molecular biology can be used to analyze the genetic material of the birds in question. By comparing DNA sequences, researchers can identify similarities and differences that indicate evolutionary relationships. Phylogenetic analysis can then be performed to construct a family tree, showing how closely related the birds are. If they share significant genetic similarities, it suggests they may have evolved from a common ancestor.
Do birds and reptiles share a common ancestor?
Yes. If you go back far enough, all life on Earth shares a common ancestor.
Are whales related to dinosaurs?
Very distantly. Whales are mammals, and both mammals and dinosaurs share a common reptilian ancestor that lives in the carboniferous period.
How are birds and a crocodile homologous?
Birds and crocodiles share the same ancestor... and so do dinosaurs. they are in the same clade. Both birds and crocodiles build nests, brood their eggs, "sing" to attract a mate and also have four chamber hearts. It has been reasoned that because the dinosaur, bird, and crocodiles all homolgous, dinosaurs TOO built nests, brooded their eggs, sang and also had four chamber hearts.
Why do crocodiles have a four-chambered heart?
Crocodiles may have had an ancestor that was starting down the path to being warm-blooded. Crocodiles are related to dinosaurs and their modern descendants, birds, which also have four-chambered hearts. The four-chambered heart allows for more efficient blood circulation.
