Term
|
Definition
generation-to-generation change in the proportion of different inherited genes in a population that accounts for all of the changes that have transformed life over an immense time |
|
|
Term
|
Definition
inherited characteristic that improves an organism's ability to survive and reproduce in a particular environment |
|
|
Term
Descent with modification |
|
Definition
process by which descendants of ancestral organisms spread into various habitats and accumulate adaptations to diverse ways of life |
|
|
Term
|
Definition
process by which individuals with inherited characteristics well-suited to the environment leave more offspring than do other individuals |
|
|
Term
|
Definition
preserved remains or marking left by an organism that lived in the past |
|
|
Term
|
Definition
chronological collections of life's remains in sedimentary rock layers |
|
|
Term
|
Definition
no longer existing as a living species on Earth |
|
|
Term
|
Definition
similar structure found in more than one species that share a common ancestor |
|
|
Term
|
Definition
remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species |
|
|
Term
|
Definition
group of individuals of the same species living in a particular area at the same time |
|
|
Term
|
Definition
difference among members of a species |
|
|
Term
|
Definition
selective breeding of domesticated plants and animals to produce offspring with desired genetic traits |
|
|
Term
|
Definition
process by which individuals with inherited characteristics well-suited to the environment leave more offspring than do other individuals |
|
|
Term
|
Definition
all of the alleles in all the individuals that make up a population |
|
|
Term
|
Definition
evolution on the smallest scale - a generation-to-generation change in the frequencies of alleles within a population |
|
|
Term
Hardy-Weinberg equilibrium |
|
Definition
condition that occurs when the frequency of alleles in a particular gene pool remain constant over time |
|
|
Term
|
Definition
change in the gene pool of a population due to chance |
|
|
Term
|
Definition
exchange of genes between populations |
|
|
Term
|
Definition
contribution that an individual makes to the gene pool of the next generation compared to the contributions of other individuals |
|
|
Term
|
Definition
medicine that kills or slows the growth of bacteria |
|
|