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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


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


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


__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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


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


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


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


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


______________________________________________________________________________________________________________________________________________________1.

________________________________________________________________________2.

________________________________________________________________________3.

________________________________________________________________________4.

________________________________________________________________________c. Kesimpulan

_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

d. Jawaban pertanyaan1) _______________________________________________________________________

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

2) _____________________________________________________________________________________________________________________________________________________________________________________________________________________

27

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