Evolution Flashcards
What is evolution defined
change in the inheritable characteristics of an organism over time
What theorist came up with organisms developing characteristics over their life span
Jean Baptiste Lemarck
thought offspring could get their parents characteristic they developed
What is Charles Darwins theory defined
New species evolve from existing species as a result of natural selection acting on variation in characteristics of a population
What is the evidence related to natural struggle
there is natural struggle for existence so only strongest survive and reproduce
What two things control if a specimens characteristics are successful
variation from sexual reproduction
changes in environment
How are we meant to talk about Darwins theory of evolution
process of evolution by natural selection
What happened as a result of Darwin publishing on the origin of species (3)
challenge by church
insufficient evidence
unknown mechanisms of inheritance/variation so low suppport