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Bilateral symmetry

Bilateral symmetry

(Science: biology) describes an organism which is divisible into equal mirror halves in one plane only.


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Please check my work?

... characteristics of echinoderms? A tube feet, circulatory system, body symmetry B marine-dwellers, endoskeletons, water-vascular system C bilateral symmetry, ossicles, respiratory system D mouths, protosomes, body symmetry is it ...

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by radicali
Thu Jun 14, 2012 8:57 pm
 
Forum: General Discussion
Topic: Please check my work?
Replies: 1
Views: 2875

Evolution of the Face and Head

The generally-accepted connection is not with feeding, but with symmetry and movement - bilateral animals, with propulsion driven equally from 2 sides, wind up with a directionality ...

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by Darby
Thu May 10, 2012 2:15 pm
 
Forum: Evolution
Topic: Evolution of the Face and Head
Replies: 4
Views: 4027

Question About The Development of Unidirectional Movement

... with the evolution of unidirectional movement were cephalization, bilateral symmetry and triploblasty (i.e. the development of the mesoderm). I am pretty comfortable explaining ...

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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: 2724

bilateral symmetry and evolution of our brains

... a basic step that I'm not sure how it's relevant - you kind of need bilateral symmetry to get centralized anterior brains in the first place, but that's many many many steps ...

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by Darby
Wed Mar 19, 2008 6:19 pm
 
Forum: Evolution
Topic: bilateral symmetry and evolution of our brains
Replies: 1
Views: 3758

bilateral symmetry and evolution of our brains

... just finished studying invertebrates, and have learnt the importance of bilateral symmetry and the affect on aggregation of neurons at the head end of organisms. SO I've been ...

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by NewtoBiology
Mon Feb 04, 2008 5:09 am
 
Forum: Evolution
Topic: bilateral symmetry and evolution of our brains
Replies: 1
Views: 3758
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