Term
| consists of individuals of the same species that are living in the same area at the same time |
|
Definition
|
|
Term
| the ability to analyze trait frequency, event probabilities, and other attributes of populations of molecules, cells, or organisms |
|
Definition
|
|
Term
| Species that lived in the past are the ancestors of the species existing today, and that species and their descendants species change through time |
|
Definition
| descent with modification |
|
|
Term
| consists of all the fossils that have been found and described in the scientific literature |
|
Definition
|
|
Term
|
Definition
|
|
Term
| a sequence of named intervals called eons, eras, and periods that represented the major events in Earth history |
|
Definition
|
|
Term
| a type of rock formed by gradual accumulation of sediment, as in riverbeds and on the ocean floor. Most fossils are found in these rocks |
|
Definition
|
|
Term
| species that no long exist |
|
Definition
|
|
Term
| a trait in a fossil species that is intermediate between those of older and younger species |
|
Definition
|
|
Term
| a reduced or incompletely developed structure that has no function or reduced function, but is clearly similar to functioning organs or structures in closely related species |
|
Definition
|
|
Term
| a family tree of populations or species |
|
Definition
|
|
Term
| a similarity that exists in species because they both inherited the trait from a common ancestor |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| a similarity in adult morphology or form |
|
Definition
|
|
Term
| the shape and appearance of an organisms body and its component parts |
|
Definition
|
|
Term
| The process by which individuals with certain inheritable traits tend to produce more surviving offspring than do individuals without those traits, often leading to a change in the genetic makeup of the population. A major mechanism for evolution |
|
Definition
|
|
Term
| the ability of an individual to produce surviving offspring, relative to that ability in other individuals in the population |
|
Definition
|
|
Term
| a situation in which groups to be compared are created by an unplanned, natural change in conditions rather than by manipulation of conditions by researchers |
|
Definition
|
|
Term
| changes in an individuals phenotype that occur in response to changes in the environmental conditions |
|
Definition
|
|
Term
| a type of evolutionary constraint in which selection of one trait that causes a change in another trait as well; may occur when the same genes affect both traits |
|
Definition
|
|
Term
| a compromise between traits, in terms of how those traits perform in the environment |
|
Definition
|
|
