Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
The evolution of an ancestral species into an array of species that occupy diverse habitats is called____________
|
adaptive radiation
|
|
|
Any structure that is reduced in function in a living organism but may have been used in an ancestor is known as a ____________
|
vestigial structures
|
|
|
The concept that evolution occurs over long periods of stability that are interrupted by geologically brief periods of change is known as _____________
|
Punctuated equilibrium
|
|
|
___________is a mechanism for change in a population in which organisms with favorable variations live, reproduce, and pass on their favorable traits.
|
Natural selection
|
|
|
any species with a multiple set of chromosomes is known as a _____________
|
polyploid
|
|
|
the type of selection that favors average individuals in a population
|
stabilizing selection
|
|
|
the alteration of allelic frequencies by chance processes is known as
|
genetic drift
|
|
|
The______________ is the percentage of a particular allele in a population
|
Allele frequency
|
|
|
the total number of genes present in a population is the
|
gene pool
|
|
|
A variety of structural adaptations called ____________ provides protection for an organism by copying the appearance of another species
|
mimicry
|
|
|
a structural adaptation enabling an organism to blend in with its environment is
|
Camoflauge
|
|
|
______________ is a technique in which the breeder selects particular traits
|
Artificial selection
|
