What is the type of digestive system of echinoderms?

What is the type of digestive system of echinoderms?
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Echinoderms present a complete digestive system, with mouth and anus.
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Echinoderm identity card. How are echinoderms characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?

Description : Echinoderm identity card. How are echinoderms characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?

Last Answer : Examples of representing beings: sea cucumber, sea urchin, starfishes. Basic morphology: calcareous endoskeleton with spines, ambulacral system. Type of symmetry: secondary radial. Germ layers and ... cephalization. Types of reproduction: sexual, with larval stage. Phylum Chordata - Study Here

Not all animals have a circulatory system. Poriferans, cnidarians, platyhelminthes and nematodes (in these there are the pseudocoelom fluid but no vessels) are avascular animals. Echinoderms do not have true circulatory systems either.

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How are the symmetry and the nervous system characterized in echinoderms?

Description : How are the symmetry and the nervous system characterized in echinoderms?

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Do echinoderms have an excretory system? How is excretion done in these animals?

Description : Do echinoderms have an excretory system? How is excretion done in these animals?

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What is the system that permits movement and fixation to echinoderms?

Description : What is the system that permits movement and fixation to echinoderms?

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The canal system is a characteristic feature of (a) echinoderms (b) sponges (c) helminthes (d) coelenterates.

Description : The canal system is a characteristic feature of (a) echinoderms (b) sponges (c) helminthes (d) coelenterates.

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Description : Which of the following traits is not characteristics of echinoderms ?

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Echinoderms are closely related to chordates due to the following characters .

Description : Echinoderms are closely related to chordates due to the following characters .

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Which of the following statement is incorrect for echinoderms ?

Description : Which of the following statement is incorrect for echinoderms ?

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Echinoderms and chordates have

Description : Echinoderms and chordates have

Last Answer : Echinoderms and chordates have A. Pseudocoel B. Shizocoelom C. Enterocoelom D. Hemocoel

Are echinoderms endothermic?

Description : Are echinoderms endothermic?

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Evolutionarily protochordates may be intermediate animals between invertebrates and vertebrates. Imagine a scientist is testing the hypothesis that vertebrates evolved from echinoderms. Having as research object a newly found protochordate species, what is an example of a discovery that would weaken the hypothesis? What is an example of a discovery that would strengthen it?

Description : Evolutionarily protochordates may be intermediate animals between invertebrates and vertebrates. Imagine a scientist is testing the hypothesis that vertebrates evolved from echinoderms. Having as research object a newly ... the hypothesis? What is an example of a discovery that would strengthen it?

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Is there a larval stage in echinoderms?

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Do echinoderms present internal or external fecundation? Is there sex division among individuals?

Description : Do echinoderms present internal or external fecundation? Is there sex division among individuals?

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Do echinoderms have respiratory and circulatory systems?

Description : Do echinoderms have respiratory and circulatory systems?

Last Answer : In echinoderms there are not well-defined respiratory (with the exception of the holothurian group) and circulatory systems. The ambulacral hydrovascular system plays the function of these systems.

What is the embryonic characteristic that evolutionarily makes echinoderms proximal to chordates?

Description : What is the embryonic characteristic that evolutionarily makes echinoderms proximal to chordates?

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How can the endoskeleton of echinoderms be characterized in comparison to analogous structures present in vertebrates, arthropods and molluscs?

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Under which environments do echinoderms live?

Description : Under which environments do echinoderms live?

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Which of the following animals are true coelomates with bilateral symmetry? (a) Adult Echinoderms (b) Aschelminthes (c) Platyhelminthes (d) Annelids

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Last Answer : answer:

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