Across
- 6. the process in which organisms with favorable traits are more likely to survive and reproduce
- 8. the maintenance of stable internal conditions in spite of changes in the internal conditions environment
- 10. the study of life
- 12. a group of genetically similar organisms that can produce fertile offspring
Down
- 1. the passing of traits from one parent to offspring
- 2. is the process by which organisms make more of their own kind from one generation to the next
- 3. the sum off all chemical reactions carried out in an organism
- 4. highly organized tiny structures with thin coverings called membranes
- 5. a change in the DNA of a gene
- 7. the branch of biology that studies the interactions of organisms with one another and with the nonliving part of their environment
- 9. change in the inherited characteristics of species over generations
- 11. the basic unit of heredity