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purposely mating organisms with desired traits
Genes are what determine an organisms physical traits.
stereotypes
You can get your traits from older generations and you can also get your traits from non-living organisms, too.
A organism with traits that are suited to a certain environment have a better chance of surviving than organisms who's traits are not suited for the environment.
homologous traits
Taxonomy
Dichotomous keys are typically based on a morphological approach to classification, using observable physical characteristics to identify and classify organisms. This method involves sorting organisms into groups based on shared physical traits rather than evolutionary relationships.
I think it is the similarities and differences but I could be wrong.
Whittaker's systematics includes ecological factors in addition to morphological characteristics, whereas Linnaeus's system is primarily based on physical similarities. Whittaker's system also accounts for genetic relationships between species, while Linnaeus's system focuses on classifying organisms based on shared physical traits.
traits that all organisms have
These features were used to classify organisms before the development of DNA analysis. This way, scientists were able to look at certain morphological traits to classify the organism and then correlate them to their closest relatives. For example. Although bats are a lot like birds, certain morphological traits allow them to be classified as something other than birds. i.e. they are mammals - they have similar bone structure to most mammals In this regard, it is based traits other than their wings that they are classified as mammals, and not birds. Hope this helps
Rate of change of morphological traits, typically measured by quantitative measures - Changes in disparity over time.
purposely mating organisms with desired traits
Genes are what determine an organisms physical traits.
Taxonomy is the system of classifying organisms into groups based on common traits. Also used is the system of biological nomenclature, though taxonomy is the favored classification by most scientists.
Mostly natural selection depends on the environment