Biology 101

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Across
  1. 1. a compound consisting of a nucleotide linked to a phosphate
  2. 4. the process of different species that have evolved over time on earth
  3. 5. a group of atoms bonded together, smallest fundamental unit of a chemical compound
  4. 8. a subatomic particle with a neutral charge
  5. 10. pattern of behavior in which animals travel in search of food, better conditions, or reproduction
  6. 13. a subatomic particle with a negative charge
  7. 15. similar functions and superficial resemblance of structures that have different origins
  8. 17. having two identical alleles of a particular gene
  9. 18. having two different alleles of a particular gene
Down
  1. 2. a substance that can be broken down into simpler substances by other chemicals
  2. 3. one or two more alternative form of a gene that arise by mutation
  3. 6. a genes characteristic that is present
  4. 7. having the same or allele genes from the same order
  5. 9. a genes characteristic that is hidden
  6. 11. a basic unit of matter that can not be broken
  7. 12. an atom or molecule with a net charge due to the loss or gain of one or more electrons
  8. 14. a stable subatomic particle with a positive charge
  9. 16. a unit of heredity transferred from parent to offspring and which characteristic is processed