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 investigation #1

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mj678
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PostSubject: investigation #1   Mon Mar 15, 2010 7:00 pm

Answers
observations
1) from canal pore-osculum-gastrovascular cavity
2)(external layer)its called ectoderm which is used for protetion and support and bears the openings or pores through which water pases in or out
(inner layer) ites called endoderm which bears cells with flagella and for this reaction called falagellated cells
(gastral cavity)the lasting movement of the flagella which brings constant supply of fresh water which carries food inside the body
(osculum) passage which the wastes are removed
(canal) the are 3 canal system in sponge a.ascon b.sycon c.rhagon
3(number of germ layers) 3 layers ectoderm endoderm mesoglea
(symmetry)sponge are assymetry. its a type of symmetry which has no definite shape
(habitat) they can be found in shallow or deep water fresh or salty
(spicules) its formed by the classification of materials secreted by the cell
(distuinguishing chars)the prescence of canal syatem perfprating the body wall and connecting the central body outside
applications
1)sponges are spore bearing animals they are attached to solid materials in water
2) it is a sponge made up of exoskeleton that are made up of galss or silicon. the spicules form beautiful pattern of six wayed weaves.
3) it is an economic importance of sponge where sponges are turn industry.
PS ate lycel paki move na lang di q alam q ng panu mag move
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erroruntalan
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PostSubject: Re: investigation #1   Mon Mar 15, 2010 7:34 pm

Thanks!!!
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mj678
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PostSubject: Re: investigation #1   Mon Mar 15, 2010 7:39 pm

hehe isang oras aq nagtype dyan bagal q kasi magtype
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*_*erica*_*
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PostSubject: Re: investigation #1   Tue Mar 16, 2010 7:53 am

ayos lang yan....

__________________________________________________________________
-yourcrushmate-
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erroruntalan
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PostSubject: Re: investigation #1   Tue Mar 16, 2010 8:48 am

big help naman... tanx ulit... Smile
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mj678
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PostSubject: Re: investigation #1   Tue Mar 16, 2010 6:17 pm

buti nakapagpasa aq kahapon
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PostSubject: Re: investigation #1   Today at 4:34 am

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investigation #1
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