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Carli Paucek

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What forms an echinoderms endoskeleton?

Hardened plates of calcium carbonate form its endoskeleton.


What are the calcium plates that support echinoderms?

Endoskeleton


Echinoderms have an endoskeleton made up of percent calcium carbonate?

Echinoderms have an Endoskeleton made up of 95 % calcium carbonate.


How do echinoderms use their endoskeleton like an exoskeleton?

Echinoderms, such as sea stars and sea urchins, have an endoskeleton made of hard plates called ossicles that lie inside their bodies. Although this endoskeleton is internal, it functions similarly to an exoskeleton by providing support and protection. It allows echinoderms to control their body shape and movement, just like an exoskeleton does for other invertebrates.


What is the only invertebrate with a endoskeleton?

There are many. The only phylum that contains invertebrates with exoskeletons are Echinoderms. An example is cuttlefish.


What is the structure and function of an endo skeleton in echinoderms?

Echinoderms possess a unique endoskeleton composed primarily of calcareous plates or ossicles, which are embedded within their mesodermal tissue. This endoskeleton provides structural support and protection while allowing for flexibility and movement, particularly through the use of tube feet. The ossicles can vary in size and shape, contributing to the diverse forms of echinoderms such as sea stars, sea urchins, and sea cucumbers. Additionally, the endoskeleton plays a role in locomotion and defense against predators.


What first organisms developed a hardened endoskeleton?

The first organisms to develop a hardened endoskeleton were likely ancient invertebrates called echinoderms, such as sea urchins and starfish. Their endoskeleton is made of plates composed primarily of calcium carbonate. This adaptation provided structural support and protection as these organisms evolved to live in various marine environments.


Does a starfish have an exoskeleton?

Sea Stars otherwise known as Star Fish are Echinoderms and they do not have an exoskeleton, they have an endoskeleton.


What kind of circulatory systems do echinoderms and arthropods have?

Closed hydrovascular for echinoderms, open haemolymphatic for arthropods. ^^


Do echinoderms have a backbones?

No, echinoderms do not have backbones. They are a group of marine animals that includes starfish, sea urchins, and sea cucumbers, and they belong to the phylum Echinodermata. Instead of a backbone, echinoderms have a hard, calcareous endoskeleton made up of ossicles, which are small calcium carbonate structures. This unique skeletal system provides support and protection without the presence of a vertebral column.


Which kind of animal have an endoskeleton?

Humans and crocodiles have endoskeletons


What kind of skeleton is a cheetah?

A cheetah has an endoskeleton, which is an internal skeleton.