週次 |
授課內容 |
第1週 |
Course introduction. What is an animal? Invertebrates and vertebrates, general overview and diversity. |
第2週 |
Origin of multicellularity; origin of the animals. General morphological and phylogenetic considerations, patterns of symmetry, skeletal systems, general body plans. The fossil record of invertebrates. Pre-Cambrian and Cambrian forms, Cambrian and subsequent radiation events. |
第3週 |
Metazoa with incipient tissue formation: the Porifera. Placozoa: controversies and theories. |
第4週 |
Metazoa at the tissue grade of organization: introduction to the Eumetazoa. Phyla of primarily radial symmetry: the Ctenophora and Cnidaria. The validity of "ParaHoxozoa". Cladogenesis of the lower Metazoa. |
第5週 |
An introduction to the bilateral phyla. Origin of the Bilateria. Cleavage and determinate development. Origin of the mesoderm, types of mesoderm formation. Phylogenetic significance of larval types. Body cavities, their organization and significance in classification. Origin and types of metamerism. Main organ-systems and their implications on phylogeny. |
第6週 |
The major evolutionary lineages of Bilateria. The placement of Xenoturbella; Xenocoelomorpha. Nephrozoa; Protostomia and Deuterostomia. An introduction to the Protostomia, problems about its monophyly, its two major lineages. An introduction to the Spiralia. Gnathifera. |
第7週 |
Lophotrochozoa (1) — the Mollusca.
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第8週 |
Lophotrochozoa (2) — the acoelomate phyla. Platyhelminthes: a brief overview of the groups constituting the former (non-monophyletic) "Turbellaria" and the Neodermata. Nemertea and controversies of its systematic placement. |
第9週 |
Mid-semester test. |
第10週 |
Lophotrochozoa (3) — the Annelida. Evolution of metamerism. Sipunculida, Echiurida, Pogonophora and their placement within Annelida. |
第11週 |
Lophotrochozoa (4) — the Lophophorata. A summary of Spiralia: modern theories and unresolved problems in their phylogeny; Gastrotricha, problems in establishing its phylogenetic position; enigmatic spiralians (Entoprocta, Cycliophora) and possibly-spiralians (Rhombozoa and Orthonectida). |
第12週 |
Ecdysozoa (1) — an introduction, general characteristics. The nematoid lineage (Nematoda and Nematomorpha). |
第13週 |
Ecdysozoa (2) — The Panarthropoda (1): origin and general organization. Metamerism and the problem of homologies. Onychophora and Tardigrada. Arthropoda: general assessment; the generalized arthropod segment and appendage; tagmosis, ways of cephalization and functional subdivisions of the trunk; development. |
第14週 |
Ecdysozoa (3) — The Panarthropoda (2): fossil record, early cladogenesis. Major fossil and extant lineages (1). |
第15週 |
Ecdysozoa (4) — The Panarthropoda (3): major fossil and extant lineages (2). Smaller ecdysozoan phyla: Scalidophora. A summary of Ecdysozoa: modern theories and unresolved problems in their phylogeny. |
第16週 |
An introduction to Deuterostomia. The Echinodermata. |
第17週 |
The Hemichordata. The Chordata: Cephalochordata and Tunicata. The ancestry of the vertebrates based on morphological, developmental and molecular evidence. |
第18週 |
Final test. |