Understanding Primates: Human Evolution and Characteristics Quiz

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www. c k 12 .org The human animal Worksheet Visit CK12.org for Free Online Practice 1. Because humans have hair and milk glands, we are placed in which class? a. animals b. primates c. mammals d. vertebrates 2. All primates possess adaptations for life in the trees. a. TRUE b. FALSE 3. The 3-dimensional vision of primates is especially important for a. life in trees. b. reproduction. c. hunting. d. homeostasis. 4. All primates have an opposable thumb, allowing them to grasp items. a. TRUE b. FALSE 5. Select all possible answers: Primate modes of movement include which of the following? a. quadrupedalism b. bipedalism c. brachiation d. tripedalism 2

www. c k 12 .org 6. Which sense is probably most important to primates? a. taste b. smell c. vision d. hearing 7. The Homo genus has been evolving over the past _______ million years. a. 4.8 b. 2.8 c. 3.8 d. 1.8 8. Select all possible answers: Which of the following are characteristics of hominids? a. have the ability to walk on two legs b. males usually larger than females c. large, tailless primates d. mainly quadrupedal 9. Select all possible answers: Traits of Homo sapiens include which of the following? a. large brain b. extreme agility c. tremendous strength d. small front teeth 10. Most nonhuman primates live _______ the equator. a. above b. below 3

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www. c k 12 .org Answer Keys 1. mammals 2. TRUE 3. life in trees. 4. TRUE 5. quadrupedalism , bipedalism , brachiation 6. vision 7. 2.8 8. have the ability to walk on two legs , males usually larger than females , large, tailless primates , mainly quadrupedal 9. large brain , small front teeth 10. above 5

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