Across
- 1. Deoxyribonucleic acid
- 6. multi cellular organism with a nucleus
- 7. non living factor in an environment
- 8. system the organ system whose primary function is to support and protect the body and to allow the body to move
- 10. system the organ system that forms a protective covering on the outside of the body
- 14. what is passed down from generation to offspring
- 18. Pollination when a plant pollinates itself
- 20. the layer of skin below the epidermis
- 21. Directs cell activities
- 22. gel-like mixture that contains heredity material
- 24. Made of DNA in nucleus, instructions for traits
- 27. specific characteristics
- 28. a place where two or more bones meet
- 29. smallest living unit
Down
- 2. reproduction has identical offspring and no egg pr sperm
- 3. a collection of tissues that carry out a specialized function of
- 4. usually the smaller of the two organisms
- 5. growth
- 9. different offspring(Bb)
- 11. the surface layer of cells on a plant or animal
- 12. when an organism looses a body part then develops it back
- 13. both animals benefit
- 15. trait that is not always shown (lowercase letter)
- 16. a group of similar cells that perform a common function
- 17. digestive part in cell for proteins, fats, and carbohydrates
- 19. a form of asexual reproduction when a part of organism pinches off and forms a new organism
- 22. Membrane outer membrane of cell that controls what goes in and out of cell
- 23. physical features
- 25. heterozygous (Bb)
- 26. a reaction to the environment