Jellyfish ... Jellyfish. Biradial symmetry two planes will divide the organism. Comb jellies. Radiata. The Cnidarians (jellyfish, corals & sea anemones) and ...
Can be monoecious or dioecious. Alternate generations ... Hydra. Freshwater. Polyps only, no medusae. Testes form sperm by meiosis. Ovaries form one egg each ...
Solid waste is excreted out the mouth Polyp General Anatomy ... Muscle, Skeletal ... (Planula larvae) in corals Class: Anthozoa (polyp only) Coral Sea ...
Cartilaginous fish (Class: Chondrichthyes) also efficient paired fins - sharks - skates, rays - ratfish. II. Animal Diversity. 3. Vertebrata. c. Jawed Fishes ...
... (polyp & medusa) Blind sack gut Radial symmetry Diploblastic Hydrostatic skeleton Nerve net Many colonial, some solitary forms polyps and medusa stage, ...
Architectural Pattern of an Animal Chapter 9 * * * * * * * * * * * * * * * * * * * * * The Appearance of Major Body Plans The Cambrian explosion marks the earliest ...
The Characteristics of Phylum Cnidaria Phylum Cnidaria Characteristics of Phylum Cnidaria radial symmetry blind sac gut (= coelenteron or gastrovascular cavity ...
Soft, sac-like body plan, two way digestion (with one opening mouth) ... head, thorax, abdomen, (or cephalothorax and abdomen), spiracles and tracheae, ...
General Zoology Unit Two Have silicon based spicules Sometimes referred to as glass sponges All are deep sea forms Euplectella Some members are of the syconoid form ...
Multicellular and Tissue Level Organization Chapter 9 Multicellularity Multicellularity Multicellular organisms have existed for 550 million years 10 % of geological ...
Anthozoa (sea anemones, stony coral) early divergence among metazoans ... sea anemone, corals. Hydra. P. Cnidaria: Body Wall. Epidermis derived from ectoderm ...
Basic body parts: ostia, spongocoel, osculum, choanocytes with ... Table 33.5 Some Major Arthropod Classes. Figure 33.26 External anatomy of an arthropod ...
May have algae or bacteria that give them color. Function much like choanoflagellates ... Undigested food leaves through osculum. Sponge Reproduction: ...
Lethal Orange Disease Attacks the reef-building coralline ... and values over 8 C-weeks can cause widespread bleaching and some mortality. --NOAA Coral Reef ...
c. Medusae dominate the life of true jellyfish, but many have a polypoid form at ... 11. Only a few jellyfish and the Portuguese man-of-war can seriously harm humans. ...