Question

Answer all the questions please

Answer all the questions please

11 Match the following characteristics with the correct taxon. 1. no tail A Catarrhini 2. laterally directed nostrils B. Hominoidea 3. bony ear tube C. Platyrrhini 4. some have prehensile tails D. Strepsirhini 5. two-part mandible E. Cercopithecoidea 12 Name two strepsirhine characteristics that differentiate them from haplorhines. a b 13 Name two haplorhine characteristics that differentiate them from strepsirhines. a b 14 Name two catarrhine characteristics that differentiate them from platyrrhines. a b 15 Name two platyrrhine characteristics that differentiate them from catarrhines. a 16 Name two differences between hominoids and cercopithecoids. a b 17 Hominoid or cercopithecoid? Fill in the blanks using an H or a C for your answer a. narrow thorax b. Y-5 molar pattern c. tail d. bilophodont molars e. broad palate f. larger relative brain size Exploring Physical Anthropology 248 4 Features that have undergone much change since the last common ancestor are referred to as features 5 Features that are similar to those of the common ancestor are features. 6 What 18th century scientist devised the biological classification system-binomial nomenclature-still in use today? 7 What is an example of a scientific name, or binomen? 8 What are the two main aspects of evolutionary history that comprise the main emphases behind two opposing schools of thought about how organisms should be classified? 9 List five features that differentiate primates from other mammalian groups. a e 10 Which characteristics are the most useful to use for classification, ancestral or derived? Chapter 9 Biological Classification and the Order Primates 247

Answer 1

12) Strepsirhines have wet naked noses while haplorhines have dry fluffy noses.

Strepsirhines have tooth comb while haplorhines lack tooth comb.

13) Haplorhines are modern primate group while Strepsirhines are early primate groups.

Haplorhines can do movements freely while in Strepsirhines movement is limited.

14) Catarrhines are hook- nosed while platyrrhines are flat-nosed.

In Catarrhines nostrils are closer together while in platyrrhines they are farther apart.

15) Platyrrhines are new world monkeys and Catarrhines are old world monkeys.

Platyrrhines dental formula is 2133 and Catarrhines dental formula is 2123

16) Hominoids have no tail while cercopithecoids have tail.

Hominoids have broad flat ribcage and cercopithecoids have round circular ribcage.

17) Hominoids :- options b,e,f

Cercopithecoids :- options a,c,d

4) Derived features.

5) Ancestral features.

6) Carl linnaeus.

7) Homo sapiens. Scientific name for humans.

10) Derived characteristics.