Across
- 2. A physical feature that helps an organism survive
- 5. System Brings O2 into the body and to the blood
- 10. Organism that survive and pass on their genes to their offspring
- 14. Humans Select desired traits that they need
- 18. Single cell
- 19. System of organs use in producing an offspring
- 20. Breaks down food and absorbs nutrients.
Down
- 1. cant make thier own food
- 3. Trait that helps a animal survive and reproduce
- 4. Bidentical identical to parent
- 6. Maintains heat, posture and produces heat
- 7. Like the Guards of the Human body
- 8. skin hairs nails
- 9. Makes the proteins
- 11. 2 Parents needed
- 12. The heart,vein and the flow of blood
- 13. Gets rid of nitrogen waste and regulates tacidcid balance
- 15. Brain of the cell
- 16. Basic unit of life
- 17. Controls the creation hormones