Biology chapter 11

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Across
  1. 8. Farming of algae.
  2. 9. Structures in Euglena that are used for movement.
  3. 10. Structure found in many protozoans that pump out excess water.
  4. 13. Air-filled pockets in some larger algae.
  5. 14. tiny, floating photosynthetic organisms, predominantly algae.
  6. 15. Structure that produces the ovum or egg.
  7. 21. body of plantlike form of algae which does not have leaves, stems, or roots.
  8. 23. Algae group that have chlorophyll a and b, carotenoids, unusual chloroplasts, and store their food as starch.
  9. 24. All the organisms in this protozoan phylum are parasites.
  10. 27. Special cells that anchor an algal colony to something.
  11. 28. Particular algae that has a contractile vacuole and used to be classified as a protozoans.
Down
  1. 1. Particular protozoan that causes African sleeping sickness.
  2. 2. Name the flexible but firm protein-rich outer covering of Paramecium is called what?
  3. 3. Algae that causes the red tide.
  4. 4. Structure that may remain inactive for a time.
  5. 5. Form of sexual reproduction in paramecium in which genetic information is exchanged between two of them.
  6. 6. when a colony of algae is attached to something and is not free to move.
  7. 7. Pigment found in brown algae.
  8. 11. Substance taken from red algae used in pudding and ice cream.
  9. 12. Specialized gametes that are identical in appearance.
  10. 16. simple colony of a slender chain of cells growing end to end.
  11. 17. Name the one color group of algae that are completely marine and multicellular.
  12. 18. This particular organism has a macronucleus and a micronucleus.
  13. 19. Cilia are the structures used for movement in this protozoan phylum.
  14. 20. Algae that form the base of the food chain in the ocean.
  15. 22. This particular organism is constantly changing its shape and forming pseudopods.
  16. 25. Formed by many protozoans to survive harsh conditions.
  17. 26. What is the color of the algae in the phylum Rhodophyta.