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PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
LEMBAR KERJA (LAPORAN) PRAKTIKUM IPA DI SD PDGK4107 MODUL 2
EKOSISTEM
A. KEGIATAN PRAKTIKUM 1 : EKOSISTEM1. Judul Percobaan : Ekosistem Darat
a. Hasil Pengamatan
No. Komponen Abiotik Kondisi/ keadaan1
2
3
4
5
No. Jenis Tumbuhan Jenis Hewan Pengurai1
2
3
4
5
No. Komponen Abiotik Kondisi/ keadaan1
2
3
19
Tabel 2.1.Komponen abiotik ekosistem darat alami
Gambar 2.1.Abiotik ekosistem darat alami
Tabel 2.2.Komponen biotik ekosistem darat alami
Gambar 2.2.Biotik ekosistem darat alami
Tabel 2.3.Komponen abiotik ekosistem darat buatan
PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
4
5
No. Jenis Tumbuhan Jenis Hewan Pengurai1
2
3
4
5
b. Pembahasan________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
c. Kesimpulan ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
20
Gambar 2.3.Aiotik ekosistem darat buatan
Tabel 2.4.Komponen biotik ekosistem darat buatan
Gambar 2.4.Biotik ekosistem darat buatan
PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
d. Jawaban pertanyaan__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. Judul percobaan : Ekosistem Perairana. Hasil Pengamatan
No Komponen abiotik Kondsi/keadaan12345
No Jenis tumbuhan Jenis hewan Pengurai12345
b. Pembahasan______________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________
21
Tabel 2.5.Komponen abiotik ekosistem perairan
Gambar 2.5.Komponen abiotik ekosistem perairan
Tabel 2.6.Komponen biotik ekosistem perairan
Gambar 2.6.Komponen biotik ekosistem perairan
PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
c. Kesimpulan________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
d. Jawaban pertanyaan______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
3. Judul percobaan : Rantai makanan, jarring-jaring makanan, dan piramida ekologia. Hasil pengamatan
1) Ekosistem daratRantai makanan 1:
Rantai makanan 2:
Rantai makanan 3:
NoTingkat trofik
Pengurai1 2 3 4
1
2345
22
Gambar 2.7.Bagan jarring-jaring makanan pada ekosistem darat
Tabel 2.7.Tingkat trofik komponen biotik pada ekosistem darat
PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
678910
2) Ekosistem perairanRantai makanan 1 :
Rantai makanan 2 :
Rantai makanan 3 :
23
Gambar 2.8.Bagan piramida ekologi pada ekosistem darat
Gambar 2.9.Bagan rantai makanan pada ekosistem perairan
Gambar 2.10.Bagan jarring-jaring makanan pada ekosistem perairan
Tabel 2.8.Tingkat trofik komponen biotik pada ekosistem perairan
PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
No. Tingkat trofik Pengurai1 2 3 4
12345678910
b. Pembahasan__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________a) __________________________________________________________________________b) __________________________________________________________________________
c. Kesimpulan ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
d. Jawaban pertanyaan1) _________________________________________________________________________
___________________________________________________________________________________________________________________________________________________________________________________________________________________________
2) ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
24
Gambar 2.11.Bagan piramida ekologi pada ekosistem perairan
PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
B. KEGIATAN PRAKTIKUM 2 : PENCEMARAN LINGKUNGAN1. Judul Percobaan : Pengaruh deterjen terhadap pertumbuhan akar bawang merah
a. Hasil pengamatan
No Konsentrasi Rata-rata panjang akar 1 G (%)
1234567
b. Pembahasan_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
c. Kesimpulan_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
d. Jawaban pertanyaan1) _______________________________________________________________________
_______________________________________________________________________
2. Judul percobaan : Pengaruh deterjen terhadap perkecambahana. Hasil pengamtan
25
Tabel 2.9.Pengaruh deterjen terhadap pertumbuhan akar bawang merah
Konsentrasi 0 3,1 5,25 12,5 25 50 100
HambatanPertumbuhan
(%)
Grafik 2.1.Grafik hambatan pertumbuhan akar bawang merah
Tabel 2.10.Pengaruh deterjen terhadap Tumbuhan
PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
No.Konsentrasi larutan deterjen
Hari ke-1 (24)100% 50% 25% 12,5% 6,25% 3,1% Kontrol
12345678910
JumlahRata-rata
No.Konsentrasi larutan deterjen
Hari ke-2 (24 jam)100% 50% 25% 12,5% 6,25% 3,1% Kontrol
123456789
10Jumlah
Rata-rata
b. Pembahasan
26
Konsentrasi
Panjang kecambah kacang hijau
Grafik 2.2.Grafik rata-rata pertumbuhan kecambah per konsentrasi pada 24 jam
PRAKTIKUM IPA DI SD PDGK4107/MODUL 2
______________________________________________________________________________________________________________________________________________________1.
________________________________________________________________________2.
________________________________________________________________________3.
________________________________________________________________________4.
________________________________________________________________________c. Kesimpulan
_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
d. Jawaban pertanyaan1) _______________________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2) _____________________________________________________________________________________________________________________________________________________________________________________________________________________
27
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