Biology9 Test2 Crossword
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Down:
1) Toward the Top 2) A plate like structure in the pharynx of certain mollusks; composed of rows of tiny teeth3) Like you 5) Head6) Like a starfish 8) Divides into Right and Left
9) The presence of a “head” region, usually containing nerve tissue and supplied with sense organs14) Egg, Larva, Pupa, Adult 16) Malacostraca
17) lower surface, front 18) Crosses perpendicular to midline, divides Cephalic and Caudal 23) The sheath of tissue that covers the body of a mollusk, also secretes the shell24) Toward the Rear26) A likeness in size, shape or structure of parts of an organism
28) Two shelled mollusks29) An internal skeleton usually composed of bone and cartilage; characteristic of vertebrates30) A mollusk shell31) A system of external plates that protect and support33) A protective body covering34) The tough, multilayered structure secreted by mantle as a means of protection or body support36) Membranous, leather, horny, Scale |
Across:
4) 50,000 7) Tail 10) Toward the Middle 11) Snails, slugs, clams, octopi12) Tuberllaria13) Toward the side 15) 5,00019) Egg, Nymph (Naiad), Adult20) The portion of a mollusk’s body that contains internal organs21) An organism that has both male and female reproductive organs22) All have Queen, Drones, and Worders25) A series of canals and tubules that are used for locomotion and food capture in echinoderms27) Stelleroidea31) Starfish, sea urchins32) Upper surface, back35) The scientific study of animals37) 900,00038) Small soft, tubular structures in echinoderms; used for locomotion and food capture; part of water-vascular system39) Insects, crabs, lobsters, spiders 40) A tube in a mollusk used to draw in or expel water41) A fleshy, muscular organ that is used for locomotion and assumes a variety of forms, depending on the animal42) Like a ball |
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