Anthro - Example Insectivores-High pointy cusps....

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
2/23 Living Analogies Snout Size-Shortened and the face is getting flatter. Orbital Convergence/Binocular Vision The External Tail-Balances weight on a branch. Terrestrial forms or on the ground has a shorter tail than a herborial form (in trees). Limb Proportions-a clue to locomotor type. Our legs are much longer than our arms. The limbs that are the longest are the most important for locomotion. Hands and Feet-Help provide insight into the type of locomotion. Long fingers or toes points toward trees. The Ankle Vertebral Flexibility-How flexible is the back. Lemurs have high flexibility. The Molar Teeth-Most common thing you find in fossil record. Good indication of diet.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Example Insectivores-High pointy cusps. Folivores-High Pointy cusps but not as much as insectivores. Frugivores-Fruit Eating. Lower more rounded cusps and broad flaring basins for mashing fruit. The incisor teeth-to take a bite of apple but don't mash with them. Primate Social Organization Sympatric Allopatric-never come into contact. Habitats are seperate. Potential selective pressures affecting group formation in primates. Food Competition of foraging hypothesize Predation pressure hypothesis-safety in numbers Better access to mate Assistance rearing offspring hypothesis. Infanticide hypothesis....
View Full Document

Ask a homework question - tutors are online