traits must have genetic basis and be passed on to offspring
inheritance
Different traits present give some individuals a higher chance to leave offspring
Differences in Survival and Reproduction
________ must be present in the population
Genetic Variation
living things composed cells (multicellular organisms)
organisms
a group of organisms so similar to one another that they can breed and produce fertile offspring
species
groups of individuals of the same species that live in the same area
population
Groups different populations that live together in a defined area
community
the “father” of evolution
Charles Darwin
Evolution was first defined by
Lamarck
Giraffe seeks food, and stretches its neck to acquire the leaves an example of
Lamarckism #1
Continual stretching results in longer neck. longer neck is passed on to offspring is an example of
Lamarckism #2
____ was the naturalist aboard the H.M.S. Beagle
Darwin
Variation within offspring
natural selection
the variation provides an advantage to one of the offspring. the others will not pass on their genes
selective advantage
________ the “driver” evolution of evolution
natural selection
organism inherit their _______ from their parents
characteristic
3 principles of natural selection
genetic traits inherited by offspring
differences in survival and reproduction
variation in the population
Darwin had one hang up, evolution taking a significantly ______ time
long
studies of the ________ have yielded much support for the theory of natural selection
Galapagos finches
______ is the process
______ is the outcome
natural selection
evolution
Resistance to antibiotics _____ through survival of individuals that are immune to the effects of the antibiotic
increases
offspring of those antibiotic resistant bacteria inherit the ______, creating a new population of resistant bacteria
resistance
The ______ reconciles Darwin’s work with modern genetics
Modern Synthesis
_______ offers a lens to understand evolving populations
Population genetics