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Echinoderm

Echinoderm

(Science: zoology) One of the echinodermata.


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Re: Mode of nutrition of spider and starfish

Biologists use the term "sea star" not starfish. It's an Echinoderm people!

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by hymenoptera7
Sat Aug 11, 2012 6:14 pm
 
Forum: Zoology Discussion
Topic: Mode of nutrition of spider and starfish
Replies: 5
Views: 5801

Re: what is the difference between neoteny and post development

... cycle. So maybe neoteny occurs when reproduction is capable at a younger stage in the life cycle? Seems like this may be aimed at how bilateral echinoderm larvae hypothetically gave rise to bilateral vertebrates.

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by awkko808
Thu Dec 08, 2011 11:00 pm
 
Forum: Evolution
Topic: what is the difference between neoteny and post development
Replies: 1
Views: 1351

What kind of shellfish is in this coal gangue fossil?

I'm no expert but it looks kind of like an echinoderm or a bivalve... good luck :/

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by AstusAleator
Mon Mar 05, 2007 2:07 am
 
Forum: Evolution
Topic: What kind of shellfish is in this coal gangue fossil?
Replies: 4
Views: 3198

flatworms questions for school please help (multiple choice)

... to take in food and get rid of wastes. True False Sometimes 6: A tapeworm has Bilateral Symmetry Radial Symmetry No Symmetry 7: An example of an Echinoderm is A Planaria A Hydra A Sea Urchin 8: . The Starfish is specially designed to eat Clams or mussels because it can turn its _________ inside ...

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by smilesfromhvn807
Fri Jan 05, 2007 5:45 pm
 
Forum: Zoology Discussion
Topic: flatworms questions for school please help (multiple choice)
Replies: 1
Views: 2986

PHYLUM PLATYHELMINTHES - FLATWORMS - INVERTEBRATES

... and get rid of wastes. true - except tapeworms that are osmotrophs 6: A tapeworm has what kind of symmetry? Bilateral symmetry 7: An example of an Echinoderm is ___. sea urchin, sea-cucumber, brittle-star, starfish, sea-lily 8: The Starfish is specially designed to eat Clams or mussels because ...

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by SU_reptile
Fri Dec 15, 2006 10:18 pm
 
Forum: Zoology Discussion
Topic: PHYLUM PLATYHELMINTHES - FLATWORMS - INVERTEBRATES
Replies: 8
Views: 10308
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