Class notes
ANTH 102 Diet And Body Size Notes
- Course
- Anth 102
- Institution
- Queens College
This is a comprehensive and detailed note on diet and body size for Anth 102. *Essential Study Material!! *For you, at a price that's worth it!!
[Show more]
Seller
Follow
Content preview
Diet and Body sizeOnly tiny primates rely on insects and/or gum
Small primates can eat fruit for carbohydrates, insects for protein
Medium-sized primates eat fruit for carbs and leaves for protein
Large primates can rely on abundant but nutrient poor plant foods
Morphological Correlates with Diet: Tooth and gut morphology varies with diet.
Frugivory (fruit): Large incisors, molars with low cusps, long small intestine
Folivory (leaves): Small incisors, shearing crests on teeth, big stomach/large intestine
Insect-eating: sharp, pointy cusps on teeth, simple gut
Proper Socialization starts with Mom
Harlows isolated infant monkeys from mothers
Deprived infants became poorly socialized adults, bad parents
Warmth, comfort, security important for normal development
Differing Reproductive Strategies of Males and Females Affects Sociality
Females always care for young
Males generally don’t
Why this difference in parental care?
Asymmetry in Reproductive Investment
Only females get pregnant and lactate
Birds: 90% monogamous
Mammals: 90% uneven investment
Pregnancy and lactation commit mammalian females to invest in their young
This process in and of itself limits the benefits of male investment in offspring
Males cannot lactate, can never raise young without females
Birds--each sex can equally care for the growing young
--90% of bird species are monogamous
What Determines Paternal Investment (CAD versus DAD)?
• Care by both parents will evolve when:
– Fitness of offspring raised by one parent is low
– Mates are hard to find
• Care by one parent (female) is likely when:
– Fitness of offspring raised by one parent is high
– Mates are easy to find
Why Do Many Primates Live in Groups?
• Enhanced access to resources
• Reduced vulnerability to predation
Costs of Sociality
Increased competition
Increased risk of disease
Increased exploitation by other group members
Benefits of Sociality
1
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller anyiamgeorge19. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77764 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now