Bio 103 Exam 4 Questions and Answers Already Passed

Bio 103 Exam 4 Questions and Answers Already Passed **Question 1:** What factor contributes to the formation of deserts at 30 degrees latitude north and south of the equator? A) Climate change B) Tectonic plate movement C) All of the above D) Wind patterns Answer: C) All of the above **Question 2:** How does energy flow through an ecosystem? A) Energy flows into ecosystems, but is never lost B) There is no energy input into ecosystems C) Energy flows into ecosystems and is constantly transformed and dissipated D) Energy only flows from one trophic level to the next Answer: C) Energy flows into ecosystems and is constantly transformed and dissipated **Question 3:** What is an example of a predator-prey relationship and an interspecific interaction in a food web? A) A rabbit eating a carrot B) A bird eating a worm C) A frog eating a grasshopper D) A plant growing in the soil Answer: C) A frog eating a grasshopper **Question 4:** What physical characteristic is suspected to have contributed to human ancestors' ability to walk upright? A) Large brain size B) Strong leg muscles C) All of the above D) None of the above Answer: C) All of the above **Question 5:** Do all species of bats use echolocation? A) True B) False Answer: B) False **Question 6:** What are some characteristics of prokaryotes? A) Multicellular, complex cells with