圈 Middle tide zone Copyright2004 Pearson Prentice Hall,Inc
Shanghai Jiao Tong University Middle tide zone
上游充通大¥ Shanghai Jiao Tong University Marine algae and surf grass Coral crab Rough keyhole limpet Low tide zone
Shanghai Jiao Tong University Low tide zone Coral crab Rough keyhole limpet Marine algae and surf grass
廷 Nematocyst Trigger Lid Surface of tentacle Cnidoblast Before activation Activated Mouth Tentac Ectoderm Endoderm Polyp-benthic body form that reproduces asexually Sea anemone (polyp body form) Stinging cells
Shanghai Jiao Tong University Stinging cells
上海充通大学 Shanghai Jiao Tong University (a) (b) (c) (d) (e) Copyright 2004 Pearson Prentice Hall,Inc
Shanghai Jiao Tong University
(a) Cockle (Cardium) Amphipod (Orchestoidea) Lugworm (Arenicola) Seaweed piled well above high-tide (c) shoreline by storm waves (b) Sand star (Astropecten) (d) Modes of feeding along a sediment-covered shore
Shanghai Jiao Tong University Modes of feeding along a sediment-covered shore