Bio- chapter 11 Flashcards
(7 cards)
Evolution facts
- Jean-baptiste Lamarck : Proposed that changes in an animal over its lifetime were inherited
- Georges Cuvier : proposed catastrophic geologic forces shaped earth’s surface (Catastrophism)
- Environmental factors affect a species’ traits over time causing changes in a line of descent
Fitness
Degree of adaptation to an environment, as measure by an individual’s restive genetic contribution to future generations
Fitness fact
Drawing realize in any population individuals have traits that make them better suited to the environment than others. They are more Likely to survive and reproduce
Adaptation
Heritable trait that enhances individual’s fitness
Natural selection
differential survival and reproduction of individuals or a population that vary in the details of shared, heritable traits.
Natural selection facts
Drawing concluded that the process of natural selection through variations in fitness and adaptation is a driving force of evolution
Evolution
Change in a line of descent