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they are radially symmetrical

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How is the embryology of echinoderms similar to vertebrates?

Echinoderms such as starfish and similar marine animals with radially symmetrical bodies have bone-like calcareous skeletal plates in their skin


Are echinoderms mammals?

No. Mammals belong to the vertebrates group and echinoderms are invertebrates, and have exoskeletons instead.


Are echidna exoskeletons?

No. echinoderms have no exoskeleton.Related Information:Echinoderms are deuterostomes, a group belonging to the Phylum, Chordata but separate from the vertebrates, also of this phylum. While there is a close relationship between the echinoderms and the vertebrates, echinoderms are endoskeletal invertebrates.


Does the mouth or anus develop first on a baby?

In vertebrates as well as in echinoderms it is anus.So it is anus


Are Australian echidnas invertebrates?

No. All echidnas are mammals, and all mammals are vertebrates. Echidnas are different from "echinoderms".


The first land animals belong to which group A arthropods B echinoderms C mollusks D vertebrates?

A. Arthropods


Is a star fish a reptilian?

No, starfish are not reptiles. Reptiles are vertebrates; that is, they have backbones. Fin-fish, amphibians, reptiles, birds, and mammals are vertebrates. Starfish aren't. Starfish are invertebrates called echinoderms.


How do people classify animals?

Animals= vertebrates and Invertebrates vertebrates to; Mammal, Fish, Reptile, Bird, amphibian. Invertebrates to; Protozoa, Echinoderms, Annelids, Mollusks, Arthropods, Crustaceans, Arachnids, Insects. (spellings may not be exact)


Is a Star fish a mammal?

No, they are Echinoderms. They are not even true fish.


Why are the fossils of vertebrates similar to the bones of living vertebrates?

Fossils of vertebrates are similar to the bones of living vertebrates because they were once part of living organisms that shared similar anatomical structures and functions. Over time, the bones of vertebrates have undergone evolutionary changes, but many core features have been conserved due to their essential functions. This similarity allows paleontologists to make informed comparisons and infer the evolutionary relationships between ancient and modern vertebrates.


Which kind of fish might resemble the earliest vertebrates?

The earliest vertebrates were probably similar to lampreys or hagfish.


How are different groups of vertebrates similar and different?

it is different by being different.