Science

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Across
  1. 3. A population of organisms that share similar characteristics
  2. 8. living things that can be found everywhere, from the air to the ground to your body
  3. 9. describes the development of new species
  4. 10. When some numbers of a species are separated from The rest.
  5. 11. is the change in the heritable characteristics of biological populations over successive generations.
  6. 15. when two or more species reciprocally affect each other's evolution through the process of natural selection
  7. 17. features of different species that are similar in function but not necessarily in structure and which do not derive from a common ancestral feature
  8. 18. located in the chromosomes made up of DNA
Down
  1. 1. Members of a group that later made rise to modern humans
  2. 2. the evolutionary pattern is called
  3. 4. molecules that help and rebuild body parts
  4. 5. is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species.
  5. 6. Have vestigial bind leg bones
  6. 7. portion of an existing population becomes totally Isolated because of its geographical bar
  7. 11. the early developmental stage of an animal while it is in the egg or within the uterus of the mother
  8. 12. is any movement of individuals, and/or the genetic material they carry, from one population to another
  9. 13. Extinction is the complete disappearance of a species from Earth
  10. 14. similar physical features in organisms that share a common ancestor, but the features serve completely different functions
  11. 16. populations moves from its original habitat to another one
  12. 17. type of antimicrobial substance active against bacteria