D1 Bound

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Across
  1. 4. A physical or behavioral characteristic of an organism.
  2. 7. A scientist who studies fossils to learn about ancient organisms.
  3. 8. A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded, and preserved in the Earth's crust, usually in stratified rock.
  4. 9. In sexually reproducing organisms, species consist of individuals that can interbreed with each other.
  5. 10. Deoxyribonucleic acid.
Down
  1. 1. A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation.
  2. 2. The adjustment or changes in behavior, physiology, and structure of an organism to become more suited to an environment
  3. 3. A group of organisms of the same species that are in close enough proximity to allow them to interbreed.
  4. 5. A double stranded DNA molecule that contains a series of specific genes along its length.
  5. 6. changes in the heritable traits of a population of organisms as successive generations replace one another.