11/5/2015
Biol 211 Chapter 25
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Biol 211 Chapter 25
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11/5/2015
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Biol 211 Chapter 25
1. Darwin's Four Postulates: Individuals in a population vary in their ______.
5. _____ characteristics are those obtained throughout a lifetime.
8. The process of evolution is ________.
9. _____ is the deliberate manipulation by humans, as in animal and plant breeding, of the genetic composition of a population by allowing only individuals with desirable traits to reproduce.
15. A reduced or incompletely developed structure in an organism that has no (or reduced) function is due to ______ traits.
16. ______ is the theory that all organisms on Earth are related by common ancestry and that they have changed over time, and continue to change, via natural selection and other processes.
18. _____ are changes in the DNA sequence that do not result in a change in the amino acid sequence of the protein encoded by the gene.
20. _____ believed that every organism is an example of a perfect essence, or type, which is typological thinking.
22. Darwin crossbred _____ and observed how characteristics were passed on to offspring.
23. Darwin's Four Postulates: Some of the differences in individuals of a population are _____;;passed on to offspring.
24. Evolution is not ______—meaning it does not produce 'better' or more complex organisms
25. _____ homology is a similarity seen in adult morphology.
26. ______ is a heritable trait that increases an individual’s fitness in a particular environment relative to individuals lacking that trait.
29. A _____ is any trace of an organism that lived in the past.
30. Evolution acts on the ______.
31. Mutations occur to solve problems. ____ (true/fals)
32. _____ homology is a similarity in the DNA nucleotide sequences, RNA nucleotide sequences, or amino acid sequence
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2. ______ occurs when an individual’s phenotype changes in response to changes in the environment.
3. Organisms sacrifice themselves for the good of the species. _____(true/fals)
4. _____ published 'On the Origin of Species by Means of Natural Selection' in 1859
6. During the Grants’ research, a major drought led ____% of the ground finch population to die of starvation.
7. The pattern of evolution is ________.
10. Natural selection acts on the ______.
11. _____ is the pattern seen by scientists that fossil species are strikingly similar to living species in the same geographic areas
12. ______ is a process that results in one species splitting into two or more descendant species.
13. ______ is the observation that data from independent sources agree in supporting predictions made by a theory.
14. _____ homology is a similarity seen in embryos of different species.
17. _____ was the first to propose a formal theory of evolution.
19. Darwin's Four Postulates: Individuals with certain heritable traits are more likely to ______.
21. _____ is when a single allele effects multiple traits.
27. _____ was the first to order known organisms into the linear great chain of being, where humans were at the top.
28. Darwin's Four Postulates: Many more offspring are produced than can survive. The more offspring an organism can produce, the higher their ______.
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