Across
- 3. Anatomy is the study of similarities and differences among structures of living species
- 5. are an impression of an organisms in a rock
- 7. Structures are body parts that perform a similar function but differ in structure
- 9. Fossils are the preserved remains of the activity of an organism
- 11. Records are made up of all the fossils ever discovered on Earth
- 12. is the resemblance of one species to another
- 15. Structures are body parts that have lost their original function through evolution
- 16. is an inherited trait that increases an organism’s chance of survival and reproduction in its environment
- 18. Time Scales are charts that divide Earth’s history into different time units
Down
- 1. are people who study plants and animals by observing them
- 2. is science development of embryos from fertilization to birth
- 4. is a slight change in an inherited trait of an individual member of a species
- 6. Structures are body parts of an organism that are smaller in structure and position but different in function
- 8. Selection is the process by which populations of organisms with variations that help them survive in their environment live longer, compete better, and reproduce more than those that do not have the variation
- 10. is an adaptation that enables a species to survive and blend in with its environment
- 13. occurs when the last individual organism of a species dies
- 14. Evolution is the change over time in populations of related organisms
- 17. Breeding is the breeding of organisms for desirable traits