PLSC Lab Eight
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is change, either in genetic makeup of a single species, or in global species composition resulting from losses (extinctions) and additions (speciation) over time.
The mechanism for change in evolution based on a theory developed by Charles Darwin.
The selection pressure that humans impose on domestic animals and plants through selective breeding.
changed genetically in one or more ways.
When two plants look similar but come from very different evolutionary origins. This makes plant species identification more difficult.
When two species produce viable offspring.
The science of identification and classification, and has traditionally relied on morphological and anatomical structures to distinguish between species and larger groups of species.
Molecular genetic analysis
Recent advances in this have resulted in a taxonomic revolution and many interrelationships among, or names of, species are being re-evuated
Books on the morphological and anatomical structures to identify plants.
Refers to the hierarchical evolutionary relationships among species. This hierarchy reflects that degree of relatedness, and decreases from the most general "kingdom" to the most specific "subspecies|.
Is often used to separate a general group into two more specific groups
A dual grouping within a dichotomous key, which has either a number to direct you to the next couplet, or a name.
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