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大學動物學--原生動物-wenkub.com

2024-08-23 01:43 本頁面
   

【正文】 ,在微生物的作用 和復蓋層的壓力傷害下 形成石油 。 ingests gametocytes (配子母細胞) Gametes unite in mosquito stomach to form oocysts in wall of stomach 卵囊 Oocysts Sporozoites produced in oocysts by sporogony move to salivary glands of mosquito amp。 central Africa. ? Vector Tsetse fly ? (采采蠅 Glossina) ? Reservoirs infected wild animals and humans 錐蟲 Tsetse fly 錐蟲 Trypanosome 放射蟲 Radiolarians ? Abundant in the ocean – Ocean floors covered – Forms sedimentary rock ? Siliceous test (shell) – Skeleton made of silica – Numerous geometric designs Radiolarian Tests 有孔蟲 Foraminifera ? Secrete a test (shell) of calcium carbonate ? Grow new chambers as anism increases in size – Foramen (opening) between chambers ? Shells constitute vast deposits on ocean floors Foraminifera Tests — 瘧原蟲 ● 瘧原蟲引起的瘧疾的我國五大寄生蟲病之一。 liver, amp。 有特殊的適應性 在不良環(huán)境下能形成包囊,在失去大部分結構后縮成一團,并分泌膠質在體外形成包囊膜,使自
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