Evolution ~ B1.8 Flashcards
What was darwins theory?
Evolution by natural selection.
Mutation causes variation.
Individuals with more useful characteristics that fit the environment will be more likely to survive.
Those who survive can reproduce and pass of these characteristics to their offspring.
What was Lamarcks theory?
Changes occurred to an organism during its lifetime and these changes were then inherited.
Why did we know Lamarcks theory was wrong?
Because genes that an organism passes to its offspring are present at birth.
What were the order in which vertibres started to evolve?
~Fish ~Amphibians ~Reptiles ~Birds ~Mammels
Why did people not believe Darwins theory?
~Religion
~Culture (peoples backgrounds influence what they believe)
~Lack of evidence
~Knowledge (people believe what they want to believe)
~Status of theories and scientists (people may be more likely to believe the ideas of renowned scientists)