Ant 1 april 24 2008

Ant 1 april 24 2008 - 4 problems in any given day-...

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

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 4 problems in any given day- Fighting, fleeing, eating, and population Feeding in primates- Primates diet differ- The relative proportion of each diet is a quite variable o But none of the primate species only consume on one type of food- Diet is a continuum, no sharp divisions. All species use many food resources - Some species use awful a lot of a particular food and it might be a key to its physiological feature Teeth and guts: function- Teeth o Penetrate foods physical defenses o Fracture, grind, crush food Increase surface area of the food and avoid choking o Preparation for digestion- Guts o Circumvent foods chemical defenses o Extract nutrients, calories Teeth and guts: design features- Teeth (and other chewing apparatus) o Number and relative size of different types of teeth o Shape and height of crests numbers and shape vary upon species . o enamel thickness o jaw robustness and musculature - guts o stomach volume and extent of subdivision o microorganisms to digest cellulose o total surface area - these variation are all shaped by natural selection Teeth characteristics fruit eaters - Fruit generally requires relatively little specialization, but usually have (low calories and high in fiber, which consume volume in stomach but doesnt provide much nutrients) o large, broad, incisors (piercing fruit husk) o rigid, bony palates (rubbing fruit against) o low, rounded molars (grinding) o strong lips (wadgeing)- seed spets have very thick molar enamel gum eaters - large prominent incisors (gouging holes in tree trunks)...
View Full Document

Page1 / 5

Ant 1 april 24 2008 - 4 problems in any given day-...

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