Evolution and natural selection Flashcards
what is adaptative radation
Evolutionary divergence of members of a single phyletic line into different niches or adaptive zones
what is allopatric speciation
The origin of a new species through the acquisition of effective isolating mechanisms by a geographically isolated portion of the parental species.
What description best fits the term Bottleneck Effect
A situation where a large and healthy population undergoes a drastic reduction in numbers, thereby greatly reducing the genetic diversity of the recovering population.
Why is essentialism such a problem to understanding evolution?
It proposes all organisms of a particular species should conform to a single set of characteristics which overlooks the essential importance of variability.
Which of the following is thought a likely ancestor to birds?
Archaeopteryx
According to Frans de Waal, the two main pillars of Morality are:
Reciprocity and empathy
What is NOMA (Non overslapping magistrial
a way some scientists try to separate the division between science and religion.
Marsupials are exclusively found only in Australia (true or false)
false, there are some in americas
WTF DID JOHN RAY DO
progress in taxonomy. His enduring legacy to botany was the establishment of species as the ultimate unit of taxonomy
first real definition of species
WTF DID CARL LINNEUS DO
ranking name system
gave a better way of organizing
James hutton
contributions to the science of geology (uniformitarianism and the great age of the earth)
Charles Lyell
small changes occurring over vast periods of time, all according to known natural laws
Georges Louis Leclerc Comte de Buffon
brings groundwork for “tree life”
proposes that all races are equal “one specie”
suggest evolution
Erasmus Darwin
suggest sexual selection, beginning thinking of evolution