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Coelmata, three tissue layers, and in the larval state they posses a notochord.
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Chordate classes that have 3 chambered hearts?
The chordate classes that have 3-chambered hearts are Amphibia (the amphibians) and Reptilia (the reptiles). Humans and other mammals (birds too) have a four-chambered heart (left atrium, right atrium, left ventricle, right ventricle). Reptiles and amphibians have a left atrium, a right atrium, but only one ventricle (although the ventricle of reptiles has a small internal wall that divides it to some extent).
How are amphibians different from other all other classes of vertebrates?
Adult amphibians look nothing like baby amphibians.They live half of their life in water and half on land.
What other animal classes exist along with mammals reptiles amphibians fish and birds?
masupial
How does math class differ form other classes?
uses numb3rs
What are the classes of animals?
Scientists group animals into classes for the sake of study. The most commonly known classes of animals are birds, mammals, reptiles, amphibians, and fish. Other common classes are insects and arachnids.
Are amphibians and reptiles mammmals?
No they are not mammals. Amphibians and Reptiles are other classes of animals at the same level as the mammals. Mammals have hair, are warm blooded and give birth to live young. Amphibians and reptiles reproduce using eggs.
What other chordate are birds most closely related to?
reptiles
Is ant chordate or non-chordate?
Ants and all other insects are non-chordates. Insects belong to the subphylum arthropoda. Animals that are vertebrates are considered to be chordates.
What is the body plan of an invertebrate Chordate?
The body plan of an invertebrate Chordate is quite unique as it does not entail a backbone. It has a hollow dorsal nerve cord and post-anal tail among other crucial features.
Do salamander have hair?
no salamanders are amphibians mammals have hair, amphibians do not
Are frogs the only type of amphibians?
No, other amphibians include toads, salamanders and newts.
Are amphibians a type of mammal?
No. There are no amphibians that are mammals. Amphibians are the frogs, toads, salamanders and newts plus their kind. And none of them are mammals. Not all vertebrates are mammals, though all mammals are vertebrates. Vertebrates have backbones, and apes and whales are mammals and are vertebrates. But there are many vertebrates that are not mammals. Fish are vertebrates, and they are not mammals.
