Natural Selection

3. how a new kind of plant or animal species is created
5. change in activity of an organism in response to a stimulus
13. traits that benefit an organism in their environment
15. proved that the theory of evolution was by natural selection
17. webbed feet, sharp claws, whiskers for example
18. rivalry between or among living things for territory,resources, goods, mates, etc.
19. study of organisms, their functions, and their "parts"
20. the ability to pass down its genetic material to offspring

1. chromosomes are made up of these
2. a resource or environmental condition that limits the growth, distribution or abundance of an organisms population
4. rapid increase in number or rapid growth
6. changes in characteristics of a species over time
7. when owls hunt mice, or foxes hunt rabbits. Owls and foxes are examples of this
8. the "ruling" allele
9. there are many of these on a pedigree chart
10. change in DNA sequence
11. the process in which the instructions in our DNA are converted to a functional part, such as a protein
12. variation mutation or "crossing over" is an example of this
14. helps in studying the external features of an individual, including the size, shape, and structure of an individual
16. selection in specific environments, finches with certain beaks survive better than those with other beaks