Nematocysts - Study guides, Class notes & Summaries

USABO Biosystematics Final Exam Questions 2024. Calcarea, Silicea (sponges) - ANSWER Lack true tissues; have choanocytes (collar cells-flagellated cells that ingest bacteria and tiny food particles) Cnidaria (hydras, jellies, sea anemones, corals) - ANSWER Unique stinging structures (nematocysts) housed in special cells (cnidocytes); diploblastic, radially symmetrical, gastrovascular cavity Plathyhelminthes - ANSWER Dorsoventrally flattened, unsegmented acoelomates; gastrovascular cavity ...

SDI Final Exam Questions And Answers Well Illustrated. Objects under water appear: 1: The same size as they do on land. 2: Twice as large as they do on land. 3: Closer and larger than they do on land. 4: Smaller and farther away than they do on land. - correct answer. Closer and larger than they do on land. As you descend: 1: Colors appear to fade. 2: Reds and oranges are among the first colors to disappear. 3: At 30 m/99 ft, little color remains other than blues, grays, ...

Which principle represents one basis for the hydrostatic testing of scuba cylinders? - Answer-Permanent Expansion Two cylinder valves in common use today are: - Answer-the K valve and the DIN valve Which internal valve designs are available in the first stage of scuba regulators? - Answer-Piston; Diaphragm Which regulator second stage design use air pressure rather than mechanical leverage to open the main valve? - Answer-Pilot An air compressor used for filling scuba cylinders opera...

What class are mussels? - Bivalvia What doesn't show strong cephalization? - Jellyfish What is cephalization? - the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development. What are the major requirements for animal life? - Gas exchange, Nutrition, disposal of cellular wastes, reproduction and development What best describes comb jellies? - They are creatures di...

USABO Biosystematics Final Exam Questions With Correct Answers 2024. Calcarea, Silicea (sponges) - ANSWER Lack true tissues; have choanocytes (collar cells-flagellated cells that ingest bacteria and tiny food particles) Cnidaria (hydras, jellies, sea anemones, corals) - ANSWER Unique stinging structures (nematocysts) housed in special cells (cnidocytes); diploblastic, radially symmetrical, gastrovascular cavity Plathyhelminthes - ANSWER Dorsoventrally flattened, unsegmented acoelomates; ...

What class are mussels? - Bivalvia What doesn't show strong cephalization? - Jellyfish What is cephalization? - the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development. What are the major requirements for animal life? - Gas exchange, Nutrition, disposal of cellular wastes, reproduction and development What best describes comb jellies? - They are creatures di...

WIS2040 - Exam 1 Lecture Guide Latest Update Graded A+ Gray wolves currently occur exclusively in the ____ region of Michigan. upper peninsula According to a recent report from the Australian Department of... ____ species of kangaroos are now harvested commercially. 4 In April 2017, the ____ declined to list the Florida Black Bear as threatened. USFWS Pterobranchs are sessil species that filter feed and along with the Acorn Worms belong to the phylum ____. Hemichordata Ergot is a fungus that...

OCS FINAL EXAM 2023-2024 if you kill most of the otters in a kelp forest, the entire ecosystem will be affected this called? - CORRECT ANSWER-trophic cascade which trophic level is most abundant in the ocean? - CORRECT ANSWER-primary producers the amount of energy transferred to the next highest trophic level is - CORRECT ANSWER-1. 10% 2. trophic transfer efficiency 3. is reduced through ingestion and metabolism is the term for a nutrient that is present in a low enough concentratio...

DAT-2000 Questions with Complete Solutions 2023/2024 1. # electrons in SUB SHELL - CORRECT ANSWER 4l + 2 2. # electrons per shell - CORRECT ANSWER 2n2 3. # orbitals per shell - CORRECT ANSWER n2 4. 1amu - CORRECT ANSWER 1amu=1g/mol Carbon weighs 12 g/mole= 12 amu 5. 2 Chambered Hearts - CORRECT ANSWER Fish 6. 2^n - CORRECT ANSWER how many stereoisomers can a molecule have with n chiral centers 7. 3Chambered Heart - CORRECT ANSWER Frogs and amphibians 8. 4 Chambered Heart - CORRECT A...

• coral - marine colonial polyp characterized by a calcareous skeleton (sea anenome) o -made up of polyps • calcium carbonate - Produced by organisms that secrete it makes rigid surface -(CaCO3) • Coral bodies - -tentacles armed with nematocysts -corallite ("cups that contain the polyps) • Coral feeding - zooplankton and dissolved organic matter (DOM) • zooxhanthellae - dinoflagellate -live inside polyp mutual relationship -photosythentic, provides glucose oxygen and colo...