Dictionary » A » Acoelomate



noun, plural: acoelomates

An animal without a coelom


Animals may be categorized according to the form or presence of body cavity: • coelomate animals such as vertebratespseudocoelomate animals such as roundworms • acoelomate animals such as flatworms, sea anemones, and nemertines

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Tapeworms questions

... 2 wat is distinctive abt the digestive, respiratory, & circulatory system of this worm? ^ are they not all absent? :\ 3. y are they called acoelomate? ^dont hve body cavities? 4. how does it prevent being digested? 5 ascaris = pdeudocoelomate what does this mean? 6. in ascaris give description ...

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by Ayeshaa
Wed May 16, 2012 2:26 pm
Forum: Zoology Discussion
Topic: Tapeworms questions
Replies: 2
Views: 2111

Question About The Development of Unidirectional Movement

... we are learning about the development of unidirectional movement (which occurred somewhere on the phylogenetic tree between the placozoan and acoelomate branches). My professor stressed that the three morphological developments associated with the evolution of unidirectional movement were ...

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by cherib
Mon Oct 05, 2009 6:36 pm
Forum: Zoology Discussion
Topic: Question About The Development of Unidirectional Movement
Replies: 1
Views: 3019

Can I evolve from any species?

... incredibly hard (impossible) to know which traits to "devolve" and in what order. Anyway, if you could devolve your cockroach back to an acoelomate and then begin forward evolution towards vertebrae... maybe. Of course this is all just in your little fantasy world, and thus impossible. ...

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by AstusAleator
Tue May 02, 2006 2:32 am
Forum: Evolution
Topic: Can I evolve from any species?
Replies: 10
Views: 4103

body cavities

Your lecturer has ignored acoelomate (which, since there's no cavities, is a valid thing to ignore) and split the coelomates along your protostome-deuterostome line, based on how the mesoderm forms. So you may not be as confused as you ...

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by Darby
Mon Apr 24, 2006 4:19 pm
Forum: Zoology Discussion
Topic: body cavities
Replies: 1
Views: 2346

embryonic development

i read my text book n it said protostome and deuterostome are eucoelomate.... but how abt acoelomate n pseudocoelomate embryo? ((i read some websites, they said acoelomate and pseudo- are protostome))<--if so, then how abt schizocoelomate and enterocoelomate? that's ...

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by hiro
Thu Apr 20, 2006 2:39 pm
Forum: Physiology
Topic: embryonic development
Replies: 2
Views: 5885
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