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Purpose: This article discusses multiculturalism by analyzing the contemporary interpretation of Q.S Al-Hujarat verse 13, which is the rationale for the diversity of human backgrounds in Islam.Methodology: The methodology used is descriptive analysis with the type of qualitative research- literature study, which uses references related to contemporary interpretation and multiculturalism thoughts Q.S Al-Hujarat verse 13. The theory used in this article is the Contemporary Method of Interpreting the Quran from Abdullah Saeed, a contemporary interpretation method to analyze verses related to the latest social, political, and other societal problems.Findings: Abdullah Saeed's tafsir theory was chosen because this tafsir is a tafsir that has a contextual and renewable interpretation method in looking at current social problems in particular and universally.Implication: The result of this article is that two values reflect multiculturalism in the Quran. First is the value of Inclusiveness and Plurality, which is the fundamental value of diversity that humanity must own. Second, Justice and Equality must be applied in life indiscriminately.

The results showed that the river water contains heavy metals Arbes lead and cadmium. In addition to the found heavy metals, Arbes in river also found a few aquatic plants that are suspected to have the ability to accumulate heavy metals. After a laboratory test, it turns out both of these plants are used as potential agents of phytoremediation in accumulate lead and cadmium. Pistia stratiotes is able to accumulate lead as much as 16,683 ppm (75,832%), cadmium as 11,585 ppm (77,233%) for 4 weeks and Limnocharis flava accumulate lead as much as 13,799 ppm (62,723%), cadmium as 12,858 ppm (85,720%) for 4 weeks. Pistia stratiotes and Limnocharis flava is very potential as agents of phytoremediation because it can accumulate lead and cadmium in large and a short time.

All sea life's potential as one of the indicators of the level of pollution in the waters, one of them is Enhalus acroides. The results showed that in the waters of the Waai and Galala contained impurities of lead and cadmium, especially on Enhalus acroides which is one of the sea life that consumed by the people who lived around the coastal region.

Ayala,d kk. (1984)m elaporkanb ahwa4 76/od ari tumbuhanb erbiji tertutup(Angiospermae) tergolong poliploid alami, sedangkan pada hewan jarangditemukan. Klug dan Cummings (2000) juga menyatakan bahwa kebanyakanspesiesh ewanp oliploid memangja rang dijumpai,k ecuatip adak elompokk adal,amfibi dan ikan. Poliploidi alami dapat terjadi karena; peristiwa somutic doubling,yaitus el-selm eristematikm embelahd engant idak teratur;d ana danyap embelahanreduksis clirmam eiosisy ang tidak teratur( Cardncr,d kk., 199l) . Ayala, dkk.(1984) menjelaskanb ahwa poliploidi dapat juga terjadi karena penggandaankromosomd i dalanrs el-sesl onratiks ccaras pontanK. ajianp oliploidia lamip adaspesiesl kan cypris, khususnyap ada ikan gilhul (I'>occiliur eticulatu) dan ikanwader{ Arl)tstaae ucusn nrginulus)b elumd ilaporkan.Penelitiani ni akan mengungkapd ua hal pokok yaitu untuk mengetahuikcragamanp loidi pada (l) ikan gathul (/bcciliu rcticuluu), (2) ikan wadcr(Iuly,rtacoteuus margirutur). Pemilihan kedua hewan tersebut didasarkan padakenyataanb ahwah ewan-hewanit u banyak dan mudahd ijumpai di perairana lami.Jenis penelitian ini adalah deskriptif Tingkat ploidi pada kedua ikantersebut diungkap dengan metode tidak langsung yaitu dengan penghitunganjumlah nukleolus. Kajian ploidi ini dilakukan pada jaringan sirip dada dan siripekor. Analisis data yang digunakan adalah analisis deskriptif.Hasil penelitianm enunjukkanb ahwa( l) tingkat ploidi padai kan gathulmeliputi haploid, diploid, tdploid, dan tetraploid; (2) tingkat ploidi pada ikanwader meliputi haploid, diploid, dan triploid. Tingkat ploidi yang memilikipersentastee rtinggia dalahh aploid.Berdasarkahna silp enelitianin i terlihatb ahrvak eduajenisik ang athudl anikanw aderd apatd igunakanu ntukk egiatanp raktikumg enetikak hususnyate ntangpoliploidi. Akan tetapi ikan gathul lebih disarankan karena tingkat ploidinya lebihberagam.

Hasil observasai wal padat anggal2 6 Juni 2004,yaitu ditemukans uatukondistie ntangre ndahnyam otivasid ana ktivitasb elajars iswad i SMA Negeri IGondanWg etanH. al tersebudt itunjukkano leh tingkahl aku siswad i dalamk elasyangc enderunrga maid ant idak memperhatikagnu ruy angs edangm engajar.Permasalahainni dicobad iatasid enganp embelajaranp raktikum kontekstualkarenaa kanm elibatkans iswas ecaral angsungu ntuk berinteraksid enganlingkunganP.r aktikumk ontekstuaal dalahk egiatany angd ilakukans iswau ntukmengaplikasikateno ri yangm erekap eroleh,s ertau ntukm enemukanfa ktad ankonsepy, angd iperolehd ari hal-hal yang terdapatd i lingkungans ekitar mereka.Penelitianin i merupakanp enelitianti ndakank elas( PTK) yangt erdiri dariduas iklust indakanD. alams atus iklusm eliputit ahap:p erencanaatnin dakan,pelaksanaatind akano, bservasdi anr efleksi.S ubyeky angd igunakand alampenelitiainn i adalahs iswak elasX -A. Metodep engumpuladna tay angd igunakanmeliputio: bservaski egiatans iswad ang urus elamap embelajarabne rlangsung,angkest iswad an laporanp raktikum. Analisis data dilakukan secarad eskriptifkualitatifHasilp enelitianin i menunjukkabna hwat erdapapt eningkatamn otivasibelajasr iswad alamt iga aspeky aitu:a spekt ingkahl aku, kogritifdan ketertarikandalamm engikutpi embelajaranP.a das iklusI tarafkeberhasilatnin dakanu ntukmotivasbi elajars iswad alamk ategoric ukup( persentaskee berhasilan4 6,15%),sedangkapna das iklusI I motivasib elajars iswad alamk ategoric ukup( denganpersentase,keberhas5il6a,n9 2%)H. asil observasai ktivitasb elajars iswap adasiklusI tarafkeberhasilatnin dakannyap adak ategorib aik (persentasekeberhasilannyaT4,62%se)d, angkapna das iklusI I aktivitasb elajars iswaju gadalamk ategorbi aik (persentaskee berhasilanny7a6 ,980/oD). engand emikiandapadt isimpulkanb ahwak egiatanp raktikumk ontekstuadl aptm eningkatkanmotivasdi ana ktivitass iswak elasX di SMA Negeri I GondangW etanP asuruan.Berdasarkahna silp enelitianin i dapatd isarankana