chapter 7 Science classifying living things
Across
- 3. smallest, most specific classification category
- 4. organisms with this name are closely related
- 7. pigeon and the carolina parakeet are species that have gone extinct because of human activities
- 9. second-highest of the taxonomical categories in the plant kingdom
- 10. largest of classification categories
- 11. owl species whose survival is threatened by the cutting down of old tress in the US
- 12. put similar organisms into groups
- 14. obtain food from another source
- 15. make their own food by photosynthesis
Down
- 1. group made up of all the orders of a similar species
- 2. were the first cells on Earth
- 5. names that help scientists to communicate better about classifications
- 6. are Eukaryotes
- 7. an organisms evolutionary history
- 8. how many kingdoms are in the classification system
- 13. are many-celled and can move independently