Biology Word Search

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Across
  1. 1. the process by which partial reproductive isolation between populations is increased by selection against mating between members of the two populations
  2. 3. This term determines whether character states are ancestral or derived.
  3. 7. one of two or more distinguishable forms of a character
  4. 9. An example of this term is plaque on teeth is a biofilm.
  5. 11. The process of producing offspring through an alternation of fertilization.
  6. 13. In fungi, having pairs of nuclei within each cell.
  7. 15. Graphic depiction of a hypothesis of evolutionary relationships.
  8. 16. A mass of hyphae in fungi.
  9. 19. The process by which an individual inherits all of its chromosomes from a single parent.
  10. 20. A characteristic used in taxonomic analysis representing a departure from the primitive form
  11. 22. The study of evolutionary relationships.
  12. 23. A polyploid organism that contains a duplicated genome of the same species
  13. 25. This term is the temporary union of two unicellular organisms
  14. 28. A highly resistant, thick-walled bacterial spore that can survive harsh environmental stress, such as heat or dessication.
  15. 30. This term is the stage in the life cycle of myxomycetes.
  16. 31. In fungi, having nuclei with the same genetic makeup within a mycelium.
  17. 34. Is used in cladistics to refer to a group that has distant characteristics
  18. 36. This term found in the outer membrane layer of gram-negative bacteria
  19. 38. A group within a single species with distinctive characteristics
  20. 39. The area of a prokaryotic cell, usually near the center.
  21. 40. The primary type of light-absorbing pigment in photosynthesis.
Down
  1. 2. A taxonomic technique used for creating hierarchies of organisms that represent true phylogenetic relationships
  2. 4. Another term for an ancestral character state.
  3. 5. Chemical substance released by one organism that influences behavior of another organism that is the same species
  4. 6. Something that results in evolutionary change leading to species dissimilar in resource use.
  5. 8. A type of view view that species change very slowly in ways that may be imperceptible from one generation to the next but that accumulate and lead to major changes over thousands or millions of years.
  6. 10. This term allows a cell to move through an aqueous environment.
  7. 11. A derived character that is shared by clade members in systematics.
  8. 12. This term causes disease in another organism.
  9. 14. speciation differentiation of geographically isolated populations into species
  10. 17. A newly evolved trait in a species that allows members to use resources
  11. 18. A staining technique that divides bacteria into gram-negative or gram-positive based on the retention of a violet dye.
  12. 21. A taxonomic group composed of an ancestor and all its descendants.
  13. 24. In fungi, having two or more genetically distinct types of nuclei.
  14. 26. A polyploid organism that contains the genomes of two or more different species.
  15. 27. A period of time during which little evolutionary change occurs.
  16. 29. A structure in which spores are produced.
  17. 32. Fossils of microscopic organisms thought to represent early forms of life.
  18. 33. The evolutionary history of an organism
  19. 35. A gelatinous layer surrounding the cell wall only in bacteria.
  20. 37. This term carries out protein synthesis