LEMBAR KERJA SISWA
PROTOZOA .
Tujuan : Mendeskripsikan jenis-jenis protozoa
Metode : Praktikum
Waktu : 2 x 45 menit
Alat dan Bahan : 1. Botol 4. Gelas benda dan gelas penutup
2. Pipet 5. Jerami / rumput kering
3. Mikroskop 6. Air kolam /air sawah
Langkah- kerja
1. Potong-potonglah jerami/ rumput kering, kemudian masukkan kedalam botol hingga
seperempat bagian.
2. Masukkan air kolam /air sawah kedalam botol hingga ¾ bagian
3. Simpanlah botol tersebut dalam keadaan terbuka ditempat yang tidak terkena sinar
matahari secara langsung selama satu minggu
4 Ambilllah setetes kultur tersebut menggunakan pipet , kemudian teteskan pada gelas
benda dan tutup dengan kaca penutup
5. Amati preparat dibawah mikroskop,cocokkan protozoa yang kamu temukan dengan gambar pada buku. Protozoa apa saja yang kamu temukan ?
Tabel Hasil Pengamatan .
No.
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Gambar protozoa
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Nama jenis
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I. Jawablah pertanyaan dibawah ini dengan tepat !
1. Berdasarkan alat geraknya protozoa dibedakan menjadi 4 kelas . Sebutkan!
Jawab .................................................................................................................................................................................................................................................................................
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2. Sebutkan ciri khas protozoa yang membedakan dengan makhluk hidup lain.
Jawab ............................................................................................................................................................................................................................................................................
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3. Sebutkan ciri-ciri flagellata !
Jawab ..............................................................................................................................................................................................................................................................................
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4. Sebutkan anggota Rhizopoda yang bermanfaat bagi manusia !
Jawab .................................................................................................................................................................................................................................................................. .................................................................................................................................................................................................................................................................................
5. Apa fungsi vakuola kontraktil pada protozoa ?
Jawab ............................................................................................................................................................................................................................................................................
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6. Bagaimana cara amoeba mendapatkan makanan?
Jawab.....................................................................................................................................
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7. Tuliskan masing-masing 4 contoh dari kelas protozoa
Jawab............................................................................................................................................................................................................................................................................
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8. Jelaskan mengapa Euglena dianggap mirip hewan dan tumbuhan
Jawab ............................................................................................................................................................................................................................................................................................................
9. Buatlah struktur tubuh Paramaecium dengan bagian-bagiannya
Jawab ...............................................................................................................................
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10. Jelaskan siklus Plasmodium
Jawab.............................................................................................................................. ..................................................................................................................................
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II. Isilah titik-titik dibawah ini dengan benar !
1. Pada protozoa sel tubuhnya terbentuk dari membran plasma terdiri dari ...........................
2. Tubuh protozoa pada umumnya tetap kecuali...............................
3. Rhizopoda yang membantu manusia adalah..........................
4. Pada keadaan yang kurang menguntungkan protozoa membentuk....................
5. Anak yang kekurangan darah dapat disebabkan oleh protozoa jenis.....................
6. Petunjuk adanya sumber minyak bumi adalah .................................
7. Protozoa jenis ciliata yang dapat menyebabkan sakit perut adalah.....................
8. Hewan yang hidup dilaut pada malam hari dapat mengeluarkan cahaya adalah ...........
dari kelas...........
9. Alat gerak pada paramaecium adalah ..............
10.Kelompok protozoa yang semua anggotanya parasit pada hewan dan manusia
adalah.............