Biology Crossword

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Across
  1. 5. study of the formation and development of an embryo and fetus
  2. 6. choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics
  3. 10. A living thing, such as an animal, a plant, a bacterium, or a fungus
  4. 13. One of two or more versions of a genetic sequence at a particular region on a chromosome
  5. 15. the act of mixing different species or varieties of animals or plants and thus to produce hybrids
  6. 16. a mechanism of evolution
  7. 17. a change in form, position, or condition
  8. 18. when a group within a species separates from other members of its species and develops its own unique characteristics
  9. 19. the scientific study of genes and heredity
  10. 20. one species is the ancestor of two or more species later in time
  11. 23. A group of individuals of the same species within a community
  12. 25. measure of how well an organism can survive and reproduce in its environment
Down
  1. 1. the study of the geographic distribution of plants, animals, and other forms of life.
  2. 2. Ancestral organism shared by two or more descendant lineage
  3. 3. a person or animal that is descended from a specific ancestor
  4. 4. the change in frequency of an existing gene variant in the population due to random chance
  5. 7. came up with the idea that species change over time give rise to new species, and share a common ancestor
  6. 8. a facile method for the generation of sequence libraries containing the information from a family of related genes
  7. 9. biological mechanism by which organisms adjust to new environments or to changes in their current environment
  8. 11. group of organisms that can reproduce with one another in nature and produce fertile offspring
  9. 12. observable characteristics in an individual resulting from the expression of genes
  10. 14. the production of offspring
  11. 21. a process that results in changes in the genetic material of a population over time
  12. 22. thought-out explanation for observations of the natural world that has been constructed using the scientific method
  13. 24. the geologically altered remains of a once-living organism