Across
- 6. the process by which interbreeding species diverged into two or more evolutionary groups
- 10. the proportion of people in a study or treatment group still alive at a given period of time after diagnosis
- 13. one specifies being the ancestor of two or more species in the later period
- 15. the process of identifying the arrangement of amino acids in proteins and peptides
- 17. the ratio of the number of a specified allele in a population to the total of all alleles at its genetic locus.
- 19. interaction between organisms or species in which both require a resource that is in limited supply.
- 21. study of functions and mechanisms in a living system.
- 22. the set of all genes, or genetic information, in any population, usually of a particular species
- 24. the process by which individuals compete for access to mates and fertilization opportunities
- 25. the reduction in genomic variability that occurs when a small group of individuals becomes separated from a larger population
- 27. difference in DNA among individuals or the differences between populations among the same species
- 28. a diagram that represents evolutionary relationships among organisms
- 29. organisms adjust to new environments or to changes in their current environment.
- 30. an individual's observable traits, such as height, eye color and blood type
- 31. the physical separation of populations of organisms from one another due to geographical barriers
Down
- 1. is the change in activity of an organism in response to a stimulus.
- 2. the branch of biology that deals with the geographical distribution of plants and animals.
- 3. a measure of functional redundancy within homologous gene families
- 4. caused by shared ancestry between two structures or genes from distinct species.
- 5. the inability of a species to breed successfully with related species due to geographical, behavioral, physiological, or genetic barriers or differences
- 7. a specific characteristic of an individual
- 8. a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.
- 9. formed from pre-existing rocks or pieces of once-living organisms.
- 11. the difference in DNA among individuals or the differences between populations among the same species
- 12. a branching diagram showing the cladistic relationship between a number of species.
- 14. the general laboratory technique for determining the exact sequence of nucleotides, or bases, in a DNA molecule.
- 16. a standard time scale that partitions the Earth's history into four eons and their subdivision of eras, periods
- 18. a laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size.
- 20. the study of the form and structure of organisms and their specific structural features.
- 23. traits that give them some advantage
- 26. The specific location or arrangement of continuing or successive objects or events in space or time