Across
- 3. study of the structure of an organism
- 6. one organisms benefits while the other organism is harmed
- 8. organisms that make their own food through photosynthesis
- 10. eats only animals
- 11. eats dead materials
- 12. populations become reproductively isolated while living together
- 15. study of how organisms develop during early life
- 17. eats only plants
- 18. how fossils and living organisms are distributed throughout the world
Down
- 1. one organisms benefits while the other is unaffected
- 2. gets energy from consuming other organisms
- 4. organisms do not interbreed due to physical barriers
- 5. animals that have a backbone
- 7. both organisms benefit
- 9. eats both plants and animals
- 13. animals that do not have a backbone
- 14. record, determines when species lived and how they have changed over time by looking at fossils
- 16. study of organism's molecular processes
