Science

2. first biologist who offer a concrete hypothesis to explain how plants and animals might have evolved
4. is the end of life of an organism
7. having many offspring increases the chance that some of them will survive
9. largest division of the geologic time scale
10. widely known for his contributions to evolutionary biology
11. scientist who studies the history of life on earth through the fossil record
16. part of biodiversity and may be economically and ecologically valuable
17. transfer of individuals from one population to another population due to lack of supply, and/or climate and weather condition
19. numbers of birth
20. transfer of individuals out of population and into another

1. gradual change in a population's genetic and physical traits
3. differences among members of a population that can be passed on to the next generation
5. group of organisms of the same species that live in a certain area
6. describes how varied are life forms in different ecosystem
8. number of organisms that are dying in population
12. set of genetically acquired traits that make the organism better suited to its environment
13. remnants or remains of ancient organisms
14. emergence of organisms into the outside world
15. it is essential for life
18. he predicted that population will grow until the demand of food supply is diminished then there would be widespread scarcity