SCIN130 Chapter 16 Exam Questions and Answers

SCIN130 Chapter 16 Exam Questions and Answers Which of the following is/are an example(s) of a postzygotic isolating mechanism? - Answer-Hybrid sterility Zygote mortality Two different species attempt to reproduce, but their offspring is unable to undergo proper mitosis because it has two different sets of chromosomes. This type of reproductive barrier is best described as __________ mortality. - Answer-zygote The evolutionary history of a group of organisms is called _____. - Answer-phylogeny When a horse and a donkey are mated, their offspring, a mule, is typically sterile. This is an example of which of the following? - Answer-Hybrid sterility Some species appear suddenly in the fossil record and remain morphologically the same until they go extinct. Based on this, paleontologists have developed the _____ equilibrium model. - Answer-punctuated The model of evolution that describes the process as slow and continuous is called the _____ model. - Answer-gradualistic ____ evolution occurs when two species evolve similar traits due to adaptation to their environment, even though they are not related to each other. - Answer-Convergent Similarity due to convergent evolution is called what? - Answer-Analogy