General Biology Review

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Across
  1. 1. Segment of DNA that codes for a specific trait
  2. 5. Membrane Semi-permeable barrier surrounding the cell
  3. 6. Community of living organisms and their environment
  4. 8. Study of interactions among organisms and their environment
  5. 10. Single-stranded nucleic acid involved in protein synthesis
  6. 12. Deoxyribonucleic acid, carrier of genetic information
  7. 13. Process by which plants convert light energy into chemical energy
  8. 16. Specialized structure within a cell with specific function
  9. 20. Control center of the cell, contains DNA
  10. 21. Change in DNA sequence
  11. 22. Trait that increases an organism's fitness in its environment
  12. 23. Maintenance of internal stability in an organism
  13. 25. Classification of organisms based on shared characteristics
  14. 27. The powerhouse of the cell
  15. 28. Respiration Process of converting glucose into ATP in cells
  16. 29. Variety of life forms in an ecosystem
Down
  1. 2. Protein that catalyzes chemical reactions
  2. 3. Pigment responsible for photosynthesis
  3. 4. Observable traits of an organism
  4. 7. Group of organisms capable of interbreeding
  5. 9. Genetic makeup of an organism
  6. 11. Process of gradual change in a species over time
  7. 14. Natural environment where an organism lives
  8. 15. Specialized structures composed of tissues that perform specific functions
  9. 17. Chemical messenger that regulates bodily functions
  10. 18. Chemical processes that occur within a living organism
  11. 19. Group of individuals of the same species living in a particular area
  12. 24. Ability to resist infection or disease
  13. 26. Reticulum Organelle involved in protein synthesis and lipid metabolism