study guide #2 Anthro 1

study guide #2 Anthro 1 - What are primates? Humans, Apes,...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
What are primates? Humans, Apes, Monkeys, Prosimians What are the primate physiological characteristics? *Grasping (prehensile) Hands and (except for humans) Feet *Binocular Stereoscopic Vision (Provides Depth Perception) *Tactile Pads on Finger and Toe Tips ( Nerve sensitive areas) *Finger and Toe Nails *Color Vision What type of teeth do you have? heterodontic teeth What is your dental formula? 2:1:2:3. This means that we have 2: Incisors, 1: Canine, 2: Premolars, 3: Molars. What is sexual dimorphism? The average difference in body size between adult males and adult females How is sexual dimorphism manifested in primates? differences in canine size, body hair color, relative differences in size and strength, and characteristics unique to specific species Why do males compete for females? competition for expensive female biological resources How does social structure correlate with sexual dimorphism? Different social structures will also produce different degrees of sexual dimorphism. *Why? In most species of animals males tend to be larger, or more colorful, or have features that are more “elaborate.” How does social structure correlate with male parental investment? Different social structures will also produce varying degrees of male parental investment *Why? What is a dominance hierarchy? The ranking system within a society that indicates which individuals are dominant in social behaviors What determines whether males or females will be dominate in a social group? If males leave the natal group: Females dominant Related females remain together. If females leave the natal group: Males dominant Related males remain together What are the evolutionary advantages to having an elevated position in a social dominance hierarchy? *Social Intelligence : Creating relationships with high ranking individuals, sharing resources (food), grooming high ranking individuals and/or political supporters. * Physical size and Strength : Physically dominating other individuals. * Family relations : High ranking individuals will have high ranking relatives.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
* Political Alliance : Relationships with males and females. How/Why would a primate have an elevated position in a social dominance hierarchy? Those with the greatest access to food or sex or those that control social behaviors to the greatest extent will have an elevated position. What are the primate evolutionary relationships (which primates are most and least closely related to humans)? Primates Prosimians Lorises Lemurs Tarsiers Anthropoids Platyrrhinni New World Monkeys Catarrhinii Hominoids Gibbons, Orangutans, Gorillas, Chimps, Humans Why are prosimians classified as primitive primates? They retain more ancestral (primitive) characteristics and exhibit fewer derived
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

study guide #2 Anthro 1 - What are primates? Humans, Apes,...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online