Across
- 4. a characteristic that all members of a species have
- 6. an idea about what might happen that is based on what you already know
- 7. a graph that uses bars to show how characteristics or values are distributed within a group
- 10. living things, such as plants, animals, and bacteria
- 13. a trait that makes it less likely that an individual will survive in a specific environment
- 14. a group of individuals born and living at about the same time
- 17. a way of hiding by looking the same as the background
- 19. a group of the same type of organism living in the same area
- 21. trait a trait that makes it more likely that an individual will survive in a specific environment
- 22. a type of large molecule that performs important functions inside organisms
- 24. an event or process that leads to a result or change
- 26. everything (living and nonliving) that surrounds an organism
- 28. an animal that hunts and kills other animals for food
- 30. a long piece of DNA that contains many genes
- 31. to receive genes from a parent
- 32. a related organism from a previous generation
Down
- 1. the number of individuals with each trait in a population
- 2. a specific form of a gene that provides instructions for making a particular protein molecule
- 3. the process by which the distribution of traits in a population changes over many generations
- 5. an organism produced as a result of reproduction
- 8. to stay alive
- 9. a random change to a gene that sometimes results in a new trait
- 11. the process in which two parents pass on their genes to create offspring
- 12. an animal that is hunted or killed by another animal for food
- 15. a result or change that happens because of an event or process
- 16. any difference in traits between individual organisms
- 18. an instruction for making a protein molecule
- 20. a specific characteristic of an individual organism
- 23. something in the environment that affects an individual’s chances of surviving
- 25. a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group
- 27. a young insect that looks somewhat different from the adult
- 29. a type of molecule that genes and chromosomes are made of