Vocab part b

123456789101112131415161718192021
Across
  1. 1. features of different species that are similar in function
  2. 3. when species are reproductively isolated from others due to differences in behavior
  3. 4. The preserved remakes of plants and animals whose body’s were buried in sediment
  4. 7. a reproductive barrier that stops breeding between distinct but closely related species
  5. 8. The evolution of different forms or structures as they adapt to different environments
  6. 9. a change in DNA
  7. 12. Structures that have no apparent function and appear to be residual parts from a past ancestor
  8. 14. When a new species is generated
  9. 15. a physical incompatibility between reproductive organs of two organisms
  10. 16. a change over time
  11. 17. How reproductively successful an organism is in its environment
  12. 18. an organ, system, or body part that shares a common ancestry in multiple organisms
  13. 19. The process of selection conducted under human direction
  14. 20. When habitat preferences of species lowers the probability of mating
Down
  1. 2. organism better adapted to their environment survive better
  2. 5. the physical separation of populations of organisms from one another due to geographical barriers
  3. 6. Biological evolutions that occurs by chance
  4. 10. When traits that improve an organisms chance for survival and reproduction are passed on more frequently to further generations that those that do not
  5. 11. A sequence of DNA that codes for a particular trait
  6. 13. The disappearance of a species from earth
  7. 21. A heritable trait that increases an individuals fitness