pts)-11. If an organism has a cosmopolitan distribution it is found A. In large
ID: 206655 • Letter: P
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pts)-11. If an organism has a cosmopolitan distribution it is found A. In large ciies B. Worldwide C. In close association with humans (4 12. Give two features that distinguish oligochaetes from polychaetes. (2 pts) 13. Give one advantage of metamerism. 2 pta) 14. In the box to the right, sketch an amoeba with rhizopoda. 4 pts) 15. Dreaded diseases. Match the disease to the organism that cause it. -Chaga's disease Red tide Malaria B. Amoeba C. Plasmodium D. Trypanosoma Dysenteric diarrhea a ps) 16. Give two simillarities shared by poriferans and choanoflagellates 17. The figure to the right is a cross section through a A. Clium B. Flagellun C. Impossible to tell since the cross section of a cilium and a flagellum are identical (6ps 8 Place an O in the space if the taxon has an open circulatory system, acifithas a closed circulatory system, and an N if it lacks a circulatory system. Oligochaeta Nematoda _ Gastropoda Turbellaria _ Hydrozoa Cephalopoda (2pts) 19. Which choice below is a synapomorphy for the phylum Mollusca? A. Eucoelom B. Bilateral symmetry C. RadulaExplanation / Answer
11. B. Worldwide.
An organism with cosmopolitan distribution is known to occur across all or most parts of world.
12. Polychaetes have numerous parapodia while as oligochaeta lack parapodia.
Polychaetes bear numerous setae while as oligochaeta have few setae.
13. Material helps in efficient movement of body and modifies different regions of body for specialized functions.
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