Across
- 1. Action by an organism causing a change of position
- 4. Classification is based on the __________ of the organisms
- 7. The kind of structures similar in different species because they have common descent
- 10. Animals that share the same features have descended from the same __________
- 12. The wings of bats and butterflies are __________ structures
- 13. The process by which organisms obtain energy and raw materials from nutrients
- 14. The ability to detect and respond to changes in the environment and to make appropriate responses
- 16. Reproduction is the ability to produce __________
Down
- 2. The removal of toxic materialsand substances in excess from the body of an organism.
- 3. Plants require, water , carbon dioxide, __________ and ions
- 5. Chemical reaction in cells that release energy for metabolism
- 6. Animals require, organic compounds, __________ and (usually) water
- 8. Is the overall form and shape of the body
- 9. Is the study of the internal and detailed body structures
- 11. Is the largest group of organisms in which two individuals can produce fertile offspring
- 15. Kingdom, Phylum, Class, Order, Family, Genus, Species are the seven __________ groups
- 17. the plural of Phylum