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Why does a snake have bones and snail do not have bones?
A snake is a vertebrate belonging to the class reptilia. All vertebrates except for a few classes of fish have bones. Snails are molluscs belonging to the class gastropoda. They evolved from a boneless ancestor that they do not share with vertebrates.
What was the first class to have jaws?
The first class of animals to have jaws were the gnathostomes, which include all jawed vertebrates such as fish, amphibians, reptiles, birds, and mammals. Jaws evolved from skeletal rods that supported the gills in the early jawless vertebrates.
What class of vertebrates whale shark?
Fish
Which group of vertebrates evolved after fish?
Amphibians, then reptiles, birds, and finally mammals!
What is the order which vertebrates evolved?
Fish - amphibians - reptiles; and from the reptiles birds and mammals.
Are piranha's vertebrates?
Yes. Piranhas are fish, and all fish are vertebrates. Vertebrates include mammals, birds, fish, reptiles and amphibians.
What is a Evolved from lobe-fined fish?
Evolved from lobe-finned fish, tetrapods are a group of vertebrates that includes amphibians, reptiles, birds, and mammals. One of the key characteristics that distinguish them is having limbs with digits, which evolved from the lobed fins of their fish ancestors. This transition from water to land was a crucial step in the evolutionary history of vertebrates.
Earth's first vertebrates appeared during this period?
No, the first vertebrates evolved long before the Mesozoic. The first vertebrates, small jawless fish, evolved around 520 million years ago. Land animals had even evolved long before the Mesozoic Era.
What does fossil evidence indicate about the order in which these three vertebrates evolved a bony fish with a jaw a jawless fish and a fish with leglike fins?
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Are fishes placental mammals?
No. Fish are one class of vertebrates and mammals are another. There are no "fish mammals".
Are clown fish vertebrate?
Yes, clown fish are vertebrates. They belong to the class of vertebrates called Actinopterygii, which includes all ray-finned fish with skeletons made of bone. Clown fish have a bony spinal column and internal skeleton, making them vertebrates.
What does this indicate about the evolution of vertebrates?
This suggests that vertebrates have evolved adaptations that allow them to thrive in a variety of environments, from land to water. It also demonstrates the versatility of vertebrates in adapting to different ecological niches over time. Additionally, it highlights the success of vertebrates in diversifying and evolving to occupy different habitats.
