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 Science; INVESTIGATION 7

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erroruntalan
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PostSubject: Science; INVESTIGATION 7   Tue Mar 16, 2010 10:31 am

Observations

1. Body division
1. The cephalothorax(fusion of head and thorax)
2. The six segmented abdomen. They have a pair of stalked eyes, two(2) antennae, a jaw(mandibles) and two pairs of maxillae

Number of segment appendages
- the abdomen have 6 segments and the first 5(of which are known) segments each bears a pain of swimmeretes while the 6th segment bears uropods

Antennae
-the hairlike structure various parts of the body

Body Covering(exoskeleton)
-are shed when animals grow larger; To allow them to grow larger
-is made of lime or calcium carbonate

2. Respiration- respiratory organs differ water arthropods have trachea

Digestion
-digestive organs consist of mouth, esophagus, stomach, intestine(end of anus)

Sensation
-are stalk and compound eyes, the stratocyst, the equilibrium and the hairlike structures on various body parts

Circulation
-consist of a muscular heart

Reproduction
(sorry di ko po mabasa yung sulat ng source ko eh... Smile )

3. -have a flat body. The whole body is covered with a hard carapace. The abdomen is just a small part (lying flat against the muscular cephalothorax)

Applications

1. By t6he use of exoskeleton; It is used by the crustaceans to grow in size

2. They are known as piachers
-It can be profit to us

3. -The crustaceans can be eat by man

4. -They have jointed legs or appendages . It is the most numerous among the phyla of animals. about 3/4 (75%) of all known animals are arthropods.

-It is the largest phylum in animal kingdom

------------------------------End---------------------------
Source: Justin D. Bertiz

Special thanks to: Justin D. Bertiz

Note:(sorry po kung may iba akong maling sinulat... di ko kasi mabasa yung sulat ng source ko ehh... pinagtyagaan ko basahin yun kaya kung pwede po pagtyagan niyo na lang din po yan... sana po nakatulong ako...)

thanks... Smile
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erroruntalan
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PostSubject: Re: Science; INVESTIGATION 7   Tue Mar 16, 2010 10:32 am

pls. wait na lang po for INVESTIGATION EIGHT and NINE...

medyo late na po ng gabi na ko gumawa ehh..
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mj678
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PostSubject: Re: Science; INVESTIGATION 7   Tue Mar 16, 2010 6:06 pm

aw kane double post yan.
pakitanggal ung isa.
ilagay mu yan sa edit
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erroruntalan
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PostSubject: Re: Science; INVESTIGATION 7   Tue Mar 16, 2010 7:09 pm

sorry po 12:30 na ng gabi ko kasi to natapos ehh...

medyo antuk na ko niyon... sorry... Sad
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haha
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PostSubject: Re: Science; INVESTIGATION 7   Wed Mar 17, 2010 8:10 am

SIPAG PARINNNNNNNNNNNN
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^_+LinX+_^
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PostSubject: Re: Science; INVESTIGATION 7   Wed Mar 17, 2010 5:05 pm

nc one kane..

paalala ko lng po sa mga post nyo ah..

atleast 3 sentences per post..

ok??

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PostSubject: Re: Science; INVESTIGATION 7   Today at 5:24 am

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