Kunci Dikotom Subfilum Sefalokordata Dan Sub Filum Agnatha.docx

SUBFILUM SEFALOKORDATA DAN SUB FILUM AGNATHA

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 Oktober 2018

Kunci Identifikasi Perbedaan Subfilum Sefalokordata vs Agnantha 1. Habitat a. Air laut .................................................................................................. (8a) b. Air laut dan air tawar ............................................................................ (8b) 2. Rahang a. Mempunyai ........................................................................................... (2a) b. Tidak mempunyai ................................................................................. (2b) 3. Sifat a. Tidak parasite ........................................................................................ (3a) b. Parasite .................................................................................................. (3b) 4. Tubuh a. Bersegmen............................................................................................. (4a) b. Lunak tanpa sisik .................................................................................. (4b) 5. Letak mulut a. Di belakang vestibulum ........................................................................ (11a) b. Di dalam corong bukal .......................................................................... (11b) 6. Notokord a. Menyusun seluruh tubuh ....................................................................... (5a) b. Hanya menyusun tulang belakang ........................................................ (5b) 7. Rongga tubuh a. Jelas ....................................................................................................... (6a) b. Tidak jelas ............................................................................................. (6b) 8. Saluran genital a. Ada ........................................................................................................ (7a) b. Tidak ada ............................................................................................... (7b) 9. Penyusun notokord a. Sel – sel besar berfibrosa ...................................................................... (9a) b. Sel-sel bervakuola ................................................................................. (9b) 10. Penyusun otot tubuh a. Miotom.................................................................................................. (10a) b. Miomer.................................................................................................. (10b) 11. Jumlah celah insang a. 150 pasang ............................................................................................ (12a) b. 7-14 pasang ........................................................................................... (12b) 12. Jantung a. Tidak ada ............................................................................................... (13a) b. Ada ........................................................................................................ (13b)

13. Kandungan darah a. Tidak mengandung pigmen respirasi .................................................... (14a) b. Mengandung hemoglobin ..................................................................... (14b) 14. Organ ekskresi a. Nefridia ................................................................................................. (15a) b. Ginjal..................................................................................................... (15b) 15. Jumlah organ reseptor a. 6 buah .................................................................................................... sefalokordata b. 2 buah .................................................................................................... agnatha

Sefalokordata : 1a,2a,3a,4a,5a,6a,7a,8a,9a,10a,11a,12a,13a,14a,15a Agnatha : 1b,2b,3b,4b,5b,6b,7b,8b,9b,10b,11b,12b,13b,14b,15b

Kunci Identifikasi Perbedaan Kelas Asymmetron dan Branchiostoma

1. Sirip ekor a. Berpigmen ............................................................................................. (2a) b. Tidak berpigmen ................................................................................... (2b) 2. Insang pertama a. Lebih banyak terbuka ............................................................................ (3a) b. Lebih sedikit terbuka............................................................................. (3b) 3. Baris gonad a. Satu baris ............................................................................................... (4a) b. Dua baris ............................................................................................... (4b) 4. Habitat a. Dasar berpasir yang dangkal ................................................................. (5a) b. Dalam pasir yang bersih / tepi laut ....................................................... (5b) 5. Panjang tubuh a. 19-22 mm .............................................................................................. (6a) b. 3,5-5cm ................................................................................................. (6b) 6. Perkembangan a. Lebih lambat dari branchiostoma.......................................................... (7a) b. Lebih cepat dari branchiostoma ............................................................ (7b) 7. Jumlah spesies a. 6 spesies ................................................................................................ (8a) b. 23 spesies .............................................................................................. (8b) 8. Jumlah gonad a. 1 seri gonad ........................................................................................... (9a) b. 26 pasang gonad .................................................................................... (9b) 9. Warna a. Putih hingga kuning pucat .................................................................... Asymmetron b. Pink ....................................................................................................... Branchiostoma

Asymmetron : 1a,2a,3a,4a,5a,6a,7a,8a,9a Branchiostoma : 1b,2b,3b,4b,5b,6b,7b,8b,9b

Kunci Identifikasi Perbedaan Ostracodermi vs cyclostomata 1. Bentuk tubuh a. Pipih ................................................................................................ (2a) b. Bulat memanjang ............................................................................ (2b) 2. Kulit a. Keras ............................................................................................... (3a) b. Lunak dan halus .............................................................................. (3b) 3. Keberadaan gigi a. Tidak ada ......................................................................................... (4a) b. Ada .................................................................................................. (4b) 4. Keberadaan sirip a. Sepasang di belakang kepala .......................................................... (5a) b. Tidak ada ......................................................................................... (5b) 5. Jumlah insang a. Sepasang ......................................................................................... (6a) b. 5-16 pasang ..................................................................................... (6b) 6. Mulut a. Sukrotial dan melingkar .................................................................. (7a) b. Tidak memiliki rahang .................................................................... (7b) 7. Letak nostril a. Puncak kepala ................................................................................. ostracodermi b. Median ............................................................................................ cyclostomata

Ostracodermi : 1a,2a,3a,4a,5a,6a,7a Cyclostomata : 1b,2b,3b,4b,5b,6b,7b

Kunci Identifikasi Perbedaan Ordo petromyzontia vs ordo myxinoide 1. Keberadaan sirip dorsal a. Ada ........................................................................................................ (2a) b. Tidak ada ............................................................................................... (2b) 2. Baranchial basket a. Lengkap................................................................................................. (3a) b. Tereduksi............................................................................................... (3b) 3. Kantung nasohypophysial a. 7 pasang ................................................................................................ (4a) b. 6-14 pasang ........................................................................................... (4b) 4. Jumlah celah insang a. 7 pasang ................................................................................................ (5a) b. 6-14 pasang ........................................................................................... (5b) 5. Mulut a. Dilengkapi lidah ............................................................................. Ordo Petromyzontia b. Dilengkapi tentakel ........................................................................ Ordo Myxinoidea

Ordo Petromyzontia : 1a,2a,3a,4a,5a Ordo Myxinoidea : 1b,2b,3b,4b,5b