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 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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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 :

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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) ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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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) _____________________________________________________________________________________________________________________________________________________________________________________________________________________

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