ANTH- Test 2 (5, gorillas)

Folivory

• Primarily eats vegetation, such as leaves, buds, and pith
• Does not eat meat

Quadrupedal 

Knuckle-walking on the ground

• Arms longer than legs
• Broad thorax
• Mobile, flexible wrist
• "stiff back" (few lumbar vertebrae)
• no tail
• dental formula 2,1,2,3/2,1,2,3
• Y-5 cusp pattern on lower molars

• marked sexual dimorphism in body size
• prominent sagittal crest

One-male polygyny, with one adult male and several adult females and juveniles

Single adult male in social group is the silverback

• Both M and F emigrate from their birth troop 
• Not terriorial

No reported use of tools