Kunci Dikotom Subfilum Hemi Dan Subfilum Uro.docx

SUBFILUM HEMICHORDATA DAN SUBFILUM UROCHORDATA

KUNCI IDENTIFIKASI

DISUSUN UNTUK MEMENUHI TUGAS MATAKULIAH Keanekaragaman Hewan (KH) yang dibimbing oleh Ibu Dr. Sri Endah Indriwati, M. Pd

Disusun oleh: Maya Andya Garini 170341615032 S1 Pendidikan Biologi/ Offering B

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

SUBFILUM HEMICHORDATA DAN SUBFILUM UROCHORDATA

1. Struktur tubuh a. Lunak ................................................................................................................. 2a b. Keras.................................................................................................................. 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. Penyusun dinding tubuh a. Lapisan epidermis dan sel sensoris.................................................................... 5a b. Otot anuler dan otot longitudinal ....................................................................... 5b 5. Notokord a. Di anterior tubuh ............................................................................................... 6a b. Hanya pada stomodeum larva ........................................................................... 6b 6. Alat reproduksi a. Terpisah ............................................................................................................. 7a b. Hermaprodit....................................................................................................... 7b 7. Habitat a. Laut dalam ......................................................................................................... 8a b. Laut dangkal ...................................................................................................... 8b 8. Cara hidup a. Membenamkan diri dalam pasir ........................................................................ Hemichordata b. Sessil, berenang bebas ....................................................................................... Urochordata

Hemichordata: 1a, 2a, 3a, 4a, 5a, 6a, 7a, 8a Urochordata: 1b, 2b, 3b, 4b, 5b, 6b, 7b, 8b

SUBFILUM HEMICHORDATA

1. Cara hidup a. Zooid .............................................................................................. 2a b. Soliter ............................................................................................. 2b 2. Populasi saat ini a. Punah ............................................................................................. 3a b. Masih ada ....................................................................................... 3b 3. Pembagian tubuh a. Tidak diketahui .............................................................................. Graptolita b. Probosis, kolar, trunkus ................................................................. 4b 4. Jumlah gonad a. Lebih dari satu ............................................................................... 5 b. Satu ............................................................................................... Planctosphaeroidea 5. Keberadaan tentakel a. 4 – 5 lengan .................................................................................... 6a b. Tidak ada........................................................................................ 6b 6. Saluran pencernaan a. Berbentuk huruf U ........................................................................ Pterobranchia b. Lurus ............................................................................................. Enteropneusta

Graptolita: 1a, 2a, 3a Planctosphaeroidea: 1b, 2b, 3b, 4b Pterobranchia: 1b, 2b, 3b, 4b, 5a, 6a Enteropneusta: 1b, 2b, 3b, 4b, 5b, 6b

SUBFILUM UROCHORDATA

1. Fase hidup a. Membentuk fase dewasa ................................................................................... 2a b. Tidak membentuk fase dewasa.......................................................................... 2b 2. Metamorfosis a. Mengalami ......................................................................................................... 3a b. Tidak mengalami ............................................................................................... 3b 3. Celah insang a. Banyak ............................................................................................................... 4a b. Sepasang ............................................................................................................ 4b 4. Cangkok a. Tetap atau permanen ......................................................................................... 5a b. Temporer ........................................................................................................... 5b 5. Reproduksi a. Seksual dan aseksual ......................................................................................... 6 b. Seksual ............................................................................................................. Larvacea 6. Keberadaan atrium a. Ada .................................................................................................................... 7a b. Tidak ada ........................................................................................................... 7b 7. Bentuk tubuh a. Pipa .................................................................................................................... 8a b. Tong .................................................................................................................. 8b 8. Cara hidup a. Menempel pada substrat dan gerak bebas ........................................................ Ascidiacea b. Bergerak bebas ................................................................................................. Thaliacea

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

KELAS PTEROBRANCHIA

1. Jumlah celah insang a. Satu celah ............................................................................................. 2a b. Dua celah .............................................................................................. 2b 2. Lengan tentakel a. 4 – 6 lengan yang bertentakel ............................................................... 3a b. Satu pasang lengan bertentakel ............................................................ 3b 3. Jumlah gonad a. Satu buah .............................................................................................. 4a b. Sepasang ............................................................................................... 4b 4. Cara hidup a. Koloni .................................................................................................. Cephalodiscus b. Soliter .................................................................................................. Rhabdopleura

Cephalodiscus: 1b, 2b, 3b, 4a Rhabdopleura: 1a, 2a, 3a, 4b

KELAS ASCIDIACEA

1. Bentuk tubuh a. Soliter ............................................................................................. 2a b. Koloni ........................................................................................... 2b 2. Larva a. Metamorfosis ................................................................................. 3a b. Tidak memiliki rongga atrial ......................................................... 3b 3. Cangkok a. Berkembang baik ........................................................................... 4a b. Kurang berkembang baik ............................................................... 4b 4. Perkembangbiakan kuncup a. Jarang terjadi .................................................................................. Ascidiacea simplices b. Sering terjadi ................................................................................. Ascidiacea compositae

Ascidiacea simplices: 1a, 2a, 3a, 4a Ascidiacea compositae: 1b, 2b, 3b, 4b

KELAS THALIACEA

1. Bentuk tubuh a. Silindris ................................................................................... 2a b. Tong kecil ................................................................................ 2b 2. Jumlah celah insang a. Satu .......................................................................................... 3a b. Banyak ..................................................................................... 3b 3. Larva a. Tidak berekor .......................................................................... 4a b. Berekor .................................................................................... 4b 4. Sistem reproduksi a. Seksual dan aseksual ............................................................... 5a b. Hermaprodit ........................................................................... 5b 5. Habitat a. Pantai ...................................................................................... Hemimyaria b. Laut ......................................................................................... Cyclomyaria

Hemimyaria: 1a, 2a, 3a, 4a, 5a Cyclomyaria: 1b, 2b, 3b, 4b, 4b