1. 1) A species of butterflies shows two different colors: white and black. White organisms can blend in into branches of trees which are covered in liquens, so they become less predated by birds. Industrial development promoted liquens disappearence from trees due to the massive pollution of air. a. What color has an advantage in each environment (polluted and non-polluted)? b. What is going to happen whith this population? Explain using natural selections theory. 2) According to the following picture: a- What does the branch length mean? b- Which group is less related to fishes? c- Mouse and lizard are right next to each other in the tree. What does this mean? 3) Decide which statement represents the following ideas: Creationism, Catastrophism, Lamarckism, Darwinism. a. Some living beings become extict because of events like a volcanos eruption. b. A population sometimes displays individuals which show advantages over the others in a given environment. c. Aquired traits are passed on to the offspring. d. There is genetic variation in populations. e. A change in the environment can be favourable for a part of the population. f. If a structure is not used it becomes lost over time. g. Living beings havent changed since they were created. 4) Pick two evidences of evolution and explain them.