In Exercises 35 44, test for symmetry and then graph each polar equation.
Selection • VISTA- Variation, Inheritance, Selection, Time, Adaptation • What drives selection • Food source • Predators • Pathogens • Climate • “Survival of the fittest” ◦ misleading- implies direct competition among individuals • Reproductive success or Relative fitness ◦ Its all about who can be able to survive and pass along their genes/heritable trait to the next generation • Examples of this is the Finches – Galapagos Islands ◦ 1977 severe drought ◦ Food source changed to only hard nuts ◦ 85% of finches died • Over time the population adapted to the environment. ◦ Population evolve over time Microevolution • Genes- control development in beaks of birds • All