Vocabulary
Decedents with modifications
The change in the characteristics of a species over several generations.
What is evolution
Survival of the fittest
or environment chooses which species live longer and which one doesn’t
What is thumb, representing Natural Selection
Birds with the loudest call and most impressive feathers attract more females.
What is Non-Random Mating.
New species populates a new location.
The deletion, insertion, or rearrangement of genes creating new traits
What is the middle finger, representing Mutation
European bring coffee from Africa to the Americas for the first time where they plant and grow this new species.
What is Genetic Drift (founder effect)
Large part of the population is killed in a natural disaster.
mating that has not occurred due to chance
What is the ring finger, representing Non-random Mating
A large part of the population is killed in a natural disaster leaving only red heads is an example of
Some birds with shorter beaks enter into a population of birds with much longer beaks, resulting in the hatching of birds with in-between-sized beaks.
What is Gene Flow.
The most recent ancestral species from which two different species evolved.
the transfer of genes from one population to another
What is the pointer finger, representing Gene Flow
Hypertrichosis is also called “werewolf syndrome”, and it affects as few as one in a billion people; and in fact, only 50 cases have been documented since the Middle Ages. People with hypertrichosis have excessive hair on the shoulders, face, and ears. Studies have shown it is due to the rearrangement of chromosome 8.
What is Mutations
Who first proposed Natural Selection?
What is Charles Darwin.
A reduction in genes due to an event
What is the pinky finger, representing Genetic Drift
Blue-eyed people from Sweden move to a small town in Mexico where people all have brown eyes. When they mate, some of their children now have blue eyes.
The more a pesticide is used, the greater the chance that the insects targeted will develop immunity to the chemical.
What is Natural Selcetion