Anthro 1 Final 2025/2026 Exam
Questions with Detailed Verified
Answers (100% Correct Answers) |
Already Graded A+
What are the characteristics of catrarrhines? - 🧠 ANSWER ✔✔• 2123 dental
formula
• ectotympanic tube
• narrow nose w downward facing nostrils
• broader palate
• y-5 molars
• larger brain
• adaptations for brachiation
• NO TAIL
How many living genera of hominoids are there? - 🧠 ANSWER ✔✔-
Hylobatids
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1
,- Hominids
What are the anatomical adaptations in gibbons? - 🧠 ANSWER ✔✔•
Specializations for brachiation, small body size, bipedal when on ground
What is the social organization in gibbons, and do you expect to see
significant sexual dimorphism with this type of social organization? Why or
why not? - 🧠 ANSWER ✔✔• Monogamy, little sexual dimorphism, duet
singing
What is the anatomy of the orang cranium, and how is it different from the
African apes? - 🧠 ANSWER ✔✔• Sagittal crest, tall close together orbitals,
concave (dish shaped) face, large sexually dimorphic canines
What is the social organization in orangs? What kind of dimorphic changes
do you see in orang males during growth and with age? - 🧠 ANSWER ✔✔•
Solitary, adults spend little to no time foraging together
• male defends territory that includes several female territories (dominant
male?/multi-male multi female)
• high sexual dimorphism: body size, canine size, fat and hair pattern on
male head and face
• mating encounters often forced
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STATEMENT. ALL RIGHTS RESERVED
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,What are the geographic locations in Africa of the great apes? - 🧠
ANSWER ✔✔• Chimpanzees and gorilla ranges overlap
• Bonobo and common chip ranges are separated by congo river
Why do we not have a lot of fossils of early African great apes? - 🧠
ANSWER ✔✔• Tropical forest conditions do not favor fossilization
What dietary adaptations do gorillas have? - 🧠 ANSWER ✔✔• Folivorous
• Large undefined feeding territories
• Large digestive systems
• Molars with shearing crests
• Large mandibles, zygomatic arches, sagittal crests
What is the social organization of gorillas? What are the sexual dimorphic
differences in gorillas? - 🧠 ANSWER ✔✔• Single male polygyny - dominant
silver back male
• Female defense
• Occasional female abduction
• Males leave natal group
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STATEMENT. ALL RIGHTS RESERVED
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, • High sexual dimorphism: larger body, larger sagittal crest, larger canines,
fat pads and large muscles for threat display
• Mobile female group foraging
How do gorillas and chimps locomote? - 🧠 ANSWER ✔✔• Occasional
bipedalism
• Arboreal and terrestrial
• Males = terrestrial
• Quadrupedalism - knuckle walking
What is the social organization of common chimps? How is it different from
baboons? - 🧠 ANSWER ✔✔• Multi male multi female
• Fission - fussion
• Male cooperation - territory defense, female leaves natal group, male
stays in natal group (cooperating males = relatives), moderate sexual
dimorphism
- Baboons have complex social organizations with dominance hierarchies,
multi-male multi female, fiercer fighting over females in estrus
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
4
Questions with Detailed Verified
Answers (100% Correct Answers) |
Already Graded A+
What are the characteristics of catrarrhines? - 🧠 ANSWER ✔✔• 2123 dental
formula
• ectotympanic tube
• narrow nose w downward facing nostrils
• broader palate
• y-5 molars
• larger brain
• adaptations for brachiation
• NO TAIL
How many living genera of hominoids are there? - 🧠 ANSWER ✔✔-
Hylobatids
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,- Hominids
What are the anatomical adaptations in gibbons? - 🧠 ANSWER ✔✔•
Specializations for brachiation, small body size, bipedal when on ground
What is the social organization in gibbons, and do you expect to see
significant sexual dimorphism with this type of social organization? Why or
why not? - 🧠 ANSWER ✔✔• Monogamy, little sexual dimorphism, duet
singing
What is the anatomy of the orang cranium, and how is it different from the
African apes? - 🧠 ANSWER ✔✔• Sagittal crest, tall close together orbitals,
concave (dish shaped) face, large sexually dimorphic canines
What is the social organization in orangs? What kind of dimorphic changes
do you see in orang males during growth and with age? - 🧠 ANSWER ✔✔•
Solitary, adults spend little to no time foraging together
• male defends territory that includes several female territories (dominant
male?/multi-male multi female)
• high sexual dimorphism: body size, canine size, fat and hair pattern on
male head and face
• mating encounters often forced
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
,What are the geographic locations in Africa of the great apes? - 🧠
ANSWER ✔✔• Chimpanzees and gorilla ranges overlap
• Bonobo and common chip ranges are separated by congo river
Why do we not have a lot of fossils of early African great apes? - 🧠
ANSWER ✔✔• Tropical forest conditions do not favor fossilization
What dietary adaptations do gorillas have? - 🧠 ANSWER ✔✔• Folivorous
• Large undefined feeding territories
• Large digestive systems
• Molars with shearing crests
• Large mandibles, zygomatic arches, sagittal crests
What is the social organization of gorillas? What are the sexual dimorphic
differences in gorillas? - 🧠 ANSWER ✔✔• Single male polygyny - dominant
silver back male
• Female defense
• Occasional female abduction
• Males leave natal group
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, • High sexual dimorphism: larger body, larger sagittal crest, larger canines,
fat pads and large muscles for threat display
• Mobile female group foraging
How do gorillas and chimps locomote? - 🧠 ANSWER ✔✔• Occasional
bipedalism
• Arboreal and terrestrial
• Males = terrestrial
• Quadrupedalism - knuckle walking
What is the social organization of common chimps? How is it different from
baboons? - 🧠 ANSWER ✔✔• Multi male multi female
• Fission - fussion
• Male cooperation - territory defense, female leaves natal group, male
stays in natal group (cooperating males = relatives), moderate sexual
dimorphism
- Baboons have complex social organizations with dominance hierarchies,
multi-male multi female, fiercer fighting over females in estrus
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
4
