Across
- 3. bacteria are this-made up only of one cell
- 4. an abnormal or excessive loss of water from the body of an organism
- 5. a gel-like substance that fills the inside of a cell
- 7. the allele opposite of recessive
- 8. specific version of a gene
- 10. the body system that gets rid of waste
- 13. a body system that breaks down food and turns it into nutrients
- 14. a group of living things that share traits and can breed successfully
- 15. a group of structurally similar cells that work together to perform a specific function
- 17. a cell structure that does photosynthesis (only found in plant cells)
- 18. organelles that make usable energy for a cell
- 19. any change in DNA
- 21. a segment of DNA that contains the instructions for making a protein
- 22. a group of diseases in which cells divide uncontrollably
Down
- 1. to suffer or die from lack of food
- 2. a body system that is made up of bones and provides support to body
- 6. anything in the environment that causes a change in DNA
- 9. the study of inheritance of genes that results in certain traits
- 11. an allele that is not dominant...
- 12. the body system that is made up of the heart and blood vessels
- 16. a substance that makes up an organism's structure and helps it function
- 20. organelle that contains a cell's DNA