Kunci Dikotom Filum Hemikordata Dan Filum Urokordata.docx

FILUM HEMIKORDATA DAN FILUM UROKORDATA

KUNCI IDENTIFIKASI

Disusun Untuk Memenuhi Tugas Matakuliah Keanekaragaman Hewan (KH) yang dibimbing oleh Ibu Dr. Sri Endah Indriwati, M. Pd

disusun oleh: S1 Pendidikan Biologi/ Offering B Femi Mega Lestari

170341615098

UNIVERSITAS NEGERI MALANG FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM JURUSAN BIOLOGI September 2018

Kunci Identifikasi Perbedaan Filum Hemikordata vs Urokordata 1. Habitat a. Laut dalam ............................................................................................ (2a) b. Laut dangkal.......................................................................................... (2b) 2. Ukuran tubuh a. 2-5 cm ................................................................................................... (3a) b. 5-9 cm ................................................................................................... (3b) 3. Dinding tubuh a. Tidak transparan.................................................................................... (4a) b. Transparan............................................................................................. (4b) 4. Warna tubuh a. Abu – abu kemerahan ........................................................................... (5a) b. Pink ....................................................................................................... (5b) 5. Struktur tubuh a. Lunak .................................................................................................... (6a) b. Keras ..................................................................................................... (6b) 6. Penyusun dinding tubuh a. Lapisan epidermis dan sel sensoris ....................................................... (7a) b. Otot anuler dan longitudinal ................................................................. (7b) 7. Cara hidup a. Menetap di dalam pasir ......................................................................... (8a) b. Sesil, berenang bebas ............................................................................ (8b) 8. Alat reproduksi a. Terpisah................................................................................................. (9a) b. Hemaprodit ........................................................................................... (9b) 9. Notokord a. Hanya pada bagian anterior tubuh ........................................................ (10a) b. Hanya pada fase larva ........................................................................... (10b) 10. Penyebaran a. Lautan Pasifik Amerika Utara dan California ...................................... Hemikordata b. Daerah kutub sampai daerah tropis ....................................................... Urokordata

Hemikordata : 1a,2a,3a,4a,5a,6a,7a,8a,9a,10a Urokordata : 1b,2b,3b,4b,5b,6b,7b,8b,9b,10b

Kunci Identifikasi Perbedaan Filum Hemikordata 1. Keberadaan a. Ada ........................................................................................................ (2a) b. Punah..................................................................................................... (2b) 2. Cara hidup a. Soliter .................................................................................................... (3a) b. Zooid ..................................................................................................... (3b) 3. Bagian tubuh a. Proboscis,kolar,dan truncus .................................................................. (4) b. Tidak diketahui ..................................................................................... Graptolia 4. Jumlah gonad a. Sedikit/ beberapa ................................................................................... (5) b. Satu .............................................................................................. Plancthosphaeroidea 5. Jumlah tentakel a. Tidak ada ............................................................................................... (6a) b. 4-6 lengan.............................................................................................. (6b) 6. Saluran pencernaan a. Lurus dengan ujung terminal ................................................................ Enteropneusta b. Berbentuk U .......................................................................................... Pterobranchia

Graptolia : 1b,2b,3b Plancthosphaeroidea :1a,2a,3a,4b Enteropneusta :1a,2a,3a,4a,5a,6a Pterobranchia : 1a,2a,3a,4a, 5b,6b

Kunci Identifikasi Perbedaan Filum Urokordata 1. Fase hidup a. Tidak membentuk fase dewasa ............................................................. (2a) b. Membentuk fase dewasa ....................................................................... (2b) 2. Metamorphosis a. Tidak mengalami .................................................................................. (3a) b. Mengalami ............................................................................................ (3b) 3. Cangkok a. Temporer ............................................................................................... (4a) b. Permanen............................................................................................... (4b) 4. Celah insang a. Satu pasang ........................................................................................... (5a) b. Banyak .................................................................................................. (5b) 5. Cara hidup a. Soliter .................................................................................................... (6a) b. Soliter dan koloni .................................................................................. (6b) 6. Reproduksi a. Seksual .................................................................................................. Larvacea b. Seksual dan aseksual ............................................................................. (7) 7. Pergerakan a. Menempel pada substrata atau bergerak bebas ..................................... (8a) b. Bergerak bebas di lautan ....................................................................... (8b) 8. Bentuk tubuh a. Tabung panjang ..................................................................................... (9a) b. Tabung pendek ...................................................................................... (9b) 9. Atrium a. Tidak memiliki ...................................................................................... Ascidiacea b. Memiliki................................................................................................ Thaliacea

Larvacea : 1a,2a,3a,4a,5a,6a Ascidiacea : 1b,2b,3b,4b,5b,6b,7a,8a,9a Thaliacea : 1b,2b,3b,4b,5b,6b,7b,8b,9b

Kunci Identifikasi Perbedaan Kelas Pterobranchia 1. Cara hidup a. Soliter atau hidup di tempat mengandung gelatin................................. (2a) b. Berkoloni............................................................................................... (2b) 2. Celah insang a. Dua celah insang ................................................................................... (3a) b. Ada celah insang ................................................................................... (3b) 3. Gonad a. Satu pasang gonad................................................................................. (4a) b. Satu buah gonad .................................................................................... (4b) 4. Tentakel a. 4-6 lengan................................................................................ Ordo Cephalodiscida b. Satu pasang lengan .................................................................. Ordo Rhabdopleurida

Ordo Cephalodiscida : 1a,2a,3a,4a Ordo Rhabdopleurida : 1b,2b,3b,4b

Kunci Identifikasi Perbedaan Kelas Ascidiacea 1. Bentuk tubuh a. Soliter .................................................................................................... (2a) b. Koloni ................................................................................................... (2b) 2. Bahan penyusun cangkok a. Tunisin .................................................................................................. (3a) b. Gelatin .................................................................................................. (3b) 3. Letak aperture dan atrial a. pada sisi lateral, dengan arah berlawanan .................................... Ascidiae Simplices b. terbuka kearah kloaka ........................................................................... (3) 4. Cangkok a. Synascidae............................................................................................. (4a) b. Transparan............................................................................................. (4b) 5. Perkembang biakan a. Pembentukan tunas ....................................................................Ascidiae Compositae b. Tidak membentuk tunas .............................................................. Ascidiae Luciae

Ascidiae Simplices : 1a,2a,3a Ascidiae Compositae : 1b,2b,3b,4a,5a Ascidiae Luciae : 1b,2b,3b,4b,5b

Kunci Identifikasi Perbedaan Kelas Thaliacea 1. Habitat a. Laut bersuhu panas / sedang ................................................................. (2a) b. Pantai / air dengan kedalaman 4500 kaki ............................................. (2b) 2. Larva a. Memiliki ekor........................................................................................ (3a) b. Tidak memiliki ekor .............................................................................. (3b) 3. Sabuk otot a. Mengelilingi tubuh ................................................................................ (4a) b. Di bagian ventral ................................................................................... (4b) 4. Cangkok a. Tidak mengalami penebalan ................................................................. (5a) b. Transparan............................................................................................. (5b) 5. Benyuk tubuh a. Tong kecil ............................................................................................. (6a) b. Silindris / prisma ................................................................................... (6b) 6. Reproduksi a. Hemaprodit ........................................................................................... (7a) b. Seksual dan aseksual ............................................................................. (7b) 7. Pita otot a. Lengkap................................................................................................. (8a) b. Tidak lengkap........................................................................................ (8b) 8. Celah insang a. Banyak dan pendek ............................................................... Cyclomyaria (doliolida) b. Satu lubang besar .......................................................................Hemimyaria (salpida)

Cyclomyaria (doliolida): 1a,2a,3a,4a,5a,6a,7a,8a Hemimyaria (salpida) : 1b,2b,3b,4b,5b,6b,7b,8b