Chapter 22 Flashcards
populations
individuals of same species and in same area at same time
typological thinking
higher being created type and types doesn’t change
what type of ideologies does typological thinking fall under
religious
what two people followed the concept of typological thinking
Plato and Aristotle
Lamarckian evolution
species are not static but change throughout time and individuals can change
what aspect of Lamarckian evolution is false
individuals can change; as an individual develops so does their phenotype in response to challenges in environment and passes changes to offspring
what is an example of Lamarckian evolution
giraffes develop long necks as they stretch to eat and produce offspring with longer necks (FALSE)
Darwinian evolution
populations can change
how did Darwinian evolution differ from Lamarckian
Darwin described that traits vary among individuals in population and individuals with certain traits leave more offspring than others
population thinking
variation among individuals
what are the basic concepts of Darwinian evolution
- species change through time
- population thinking
- mechanism could account for change and make predictions
how did Darwin describe evolution
descent with modification
what are the 2 types of evidence to support the predictions about nature of species
- species change through time
- species are related by a common ancestor
what was the conclusion after scientist discovered that there were different species in different layers of rock
extinction
are evolutionary transitions goal oriented
no
what was the “idea of succession”
extinct forms and living forms were related