Human evolution and beyond Flashcards
What are the general trends in primate evolution
-skeletal changes
- increased brain size
- smaller, fewer, specialized teeth
- grasping hand
What are the characteristics of Prosimians
- small
- five digit hands
- claws/nails
- omnivorous
- large eyes
what are the characteristics of Hominins
- enlarged brain
- purpose reduced canine teeth
- upright posture
- ## bipedal
what is significant about H. Neanderthalensis
may be a subspecies of Homo Sapiens or separate species
- they were more massive and muscular that modern humans
- had short lower limbs
- adapted for cold climates
Who are Cro-Magnons
Replaces Neanderthals in Europe
- lived in caves and rock shelters
- Developed art and better technology
What is the modern Human Evolution
-ability to drink milk as adults
- born without wisdom teeth
-disease resistance
- getting taller
- menopause occurring later in life
-larger head sizes at birth
What can be the consequences of Anthropogenic Warming
sea level rise:
-due to the ice caps melting
precipitation patterns:
-shifts in patterns may cause negative affects on agriculture
the sixth extinction:
-human driven extinctions , can cause collapse of ecosystems.
-can take thousands of years to recover.