Science

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Across
  1. 2. first biologist who offer a concrete hypothesis to explain how plants and animals might have evolved
  2. 4. is the end of life of an organism
  3. 7. having many offspring increases the chance that some of them will survive
  4. 9. largest division of the geologic time scale
  5. 10. widely known for his contributions to evolutionary biology
  6. 11. scientist who studies the history of life on earth through the fossil record
  7. 16. part of biodiversity and may be economically and ecologically valuable
  8. 17. transfer of individuals from one population to another population due to lack of supply, and/or climate and weather condition
  9. 19. numbers of birth
  10. 20. transfer of individuals out of population and into another
Down
  1. 1. gradual change in a population's genetic and physical traits
  2. 3. differences among members of a population that can be passed on to the next generation
  3. 5. group of organisms of the same species that live in a certain area
  4. 6. describes how varied are life forms in different ecosystem
  5. 8. number of organisms that are dying in population
  6. 12. set of genetically acquired traits that make the organism better suited to its environment
  7. 13. remnants or remains of ancient organisms
  8. 14. emergence of organisms into the outside world
  9. 15. it is essential for life
  10. 18. he predicted that population will grow until the demand of food supply is diminished then there would be widespread scarcity