Across
- 2. looks at the object of human actions
- 4. a struggle to avoid physical extermination
- 6. relating to or showing the arrangement or mode of attachment of the atoms that constitute a molecule of a substance
- 7. passing by inheritance or required to pass by inheritance or by reason of birth
- 8. the study of genes, genetic variation, and hereditary in organisms
- 10. a process that results in changes in the genetic material of a population over time
- 11. a change in the DNA sequence of an organism
Down
- 1. a mechanism of evolution
- 3. adjustment of a sense organ to the intensity of stimulation
- 5. the idea that species change over time
- 9. any difference between the individuals in a species or groups of organisms of any species