Biology Help Center Home > 11.21

Why Reproduce Sexually?

Our Primate Ancestry

1. Evolved from _____ in Cretaceous                     

2. Radiated in the _____

3. The characteristics of primates allows for _____ existence

The following answers will either be prosimian, anthropoid, hominoid  or hominid

4. All monkeys

5. They don't have opposable thumbs

6. Great apes and humans (25 mya)

7. Our ancestors since split from great apes (5-7 mya)

Who were/are the hominids?

8. Which genera evolved first: Australopithecus or Homo?

9. All fossils are from what continent?

10. The Lucy's species exhibited which genera?

11. Which of the following is NOT characterized by the Australopithecus afarensis?

a) hunters    b) ape brain but human body    c) evolved about 3.5 mya    d) retained long arms    e) upright posture

12. Which of the following is NOT characterized by the Australopithecus garhi?

a)  made simple tools to extract bone marrow    b) evolved about 2.5 mya    c) skeleton and teeth intermediate between Lucy and H. erectus   
d) recent discovery reported in 1999       e) none of the above

13. Made and used sharp tools, 750 cc cranial capacity, and radiated to Southern Africa are part of what is also known as "handy man"

(review Homo erectus, which includes a laundry list of traits)

14. What were the names of the two different hypothesis concerning the evolution of Homo sapiens?

(review Homo neanderthalensis, hard to formulate questions from)

 

ANSWERS:

1. insectovora
2. Cenozoic
3. arboreal
4. anthropoid
5. prosimian
6. hominoid
7. hominid

8. australopithecus
9. Africa
10. australopithecus
11. a; ate plants/scavenged
12. e
13. H. habilis
14. multiregional; "Out of Africa"

 

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