Evolution Flashcards
UNIT 5
evolution
change of heritable characteristics over time
father of evolution
Darwin
homologous structure
similar structure, different function
analogous structure
different structure, similar function
vestigial organs
organs without a function in today’s environment but do not harm our fitness
convergent evolution
animals on two different continents with similar environments evolve similar traits to survive the environment
divergent evolution
animals who once used to be considered one species drift apart and evolve different characteristics and are now two separate species
species
a group of organisms that will reproduce with each other
lactose persstence
people developed lactose persstence in eastern Africa and Norwegian area
MRSA
methicillin-resistant Staphylococcus epidermidis – staph infection that is resistant to antibiotics
bajau people
enlargened spleens to hold breath fro 3 minutes to find food in water
Andes people
increased red blood cells count allows them to breath and live at high altitudes
insecticide resistance
insects now becoming resistant to many of the insecticides once used to kill them
peppered moth
the color moth that blended into the tree survived, causing that color to become the more dominant moth
James Hutton
introduced deep time