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- Figure 15.3 Which of the following statements is false? a. Eumetazoa have specialized tissues and Parazoa do not. b. Both acoelomates and pseudocoelomates have a body cavity. c. Chordates are more closely related to echinoderms than to rotifers according to the figure. d. Some animals have radial symmetry, and some animals have bilateral symmetry.Which group of flatworms are primarily external parasites of fish? a. monogeneans b. trematodes c. cestodes d. turbellariansWhich of the following combinations of phylum anddescription is incorrect?(A) Echinodermata—bilateral symmetry as a larva, coelomate(B) Nematoda—roundworms, pseudocoelomate(C) Platyhelminthes—flatworms, gastrovascular cavity,acoelomate(D) Porifera—gastrovascular cavity, coelomate
- Which of the following characteristics are found within the pseudocoelomate phyla (Diploblastic/bilateral symmetry/ circulatory system/ cuticle)?What structure differentiates Ectoprocts and Brachiopods from other Lophotrochozoa? Select one: 1-Complete digestive tract with two openings. 2- Fluid-filled coelom. 3- Triploblastic. 4- Suspension feeding via lophophore. 5- Trochophore larval stage. Please provide explanations in detail for the correct option as well as the incorrect options.Define the following with respect to gastropods: operculum, torsion, fouling, bilateral asymmetry, rhinophore, pneumostome
- Match the following:(a) Operculum (i) Ctenophora(b) Parapodia (ii) Mollusca(c) Scales (iii) Porifera(d) Comb plates (iv) Reptilia(e) Radula (v) Annelida(f ) Hairs (vi) Cyclostomata and Chondrichthyes(g) Choanocytes (vii) Mammalia(h) Gill slits (viii) OsteichthyesThe jacobson's organ is to organisms in _____________________ as the lateral line is to organisms in _____________________. A.order anura; class chondrichthyes B.order urodela; order osteichthyes C.order squamata; class chondrichthyes D.class squamata; class avesRelative to asconoid organization in sponges the syconoid form exhibits smaller body size increased spongocel volume relative to pumping surface area reduced spongocel volume relative to pumping surface area larger body size
- Aside from ecdysis, describe two (2) common characteristics shared by the different smaller phylum under Ecdysozoa: Kinorhyncha, Priapulida, Nematomorpha.What phylum is a ray in? Group of answer choices Chondrichthyes Echinodermata Osteichthyes Reptilia ChordataAn unidentified animal is noted to possess the following characteristics: triploblastic eucoelomate body a cuticle that is shed via ecdysis To which of the following phyla does this organism belong? Group of answer choices A. Echinodermata B. Annelida C. Arthropoda D. Nematoda
