Evolution
What involves population and individuals
Evolution
What is the definition of Natural Selection?
The survival and reproduction of the organisms that are genetically best fit for their environment
What is one difference between directional selection and disrupted selection?
Directional selection favors 1 extreme while disruptive selection favors both extremes along the distribution.
The ability of an organism to survive and reproduce in its environment.
What is Fitness?
How do you know if evolution has occurred?
If the allele frequencies are not equal, evolution has occurred.
What is evolution?
A theory (explanation) supported by evidence for how populations change over time
The variety of dog and cat breeds that we have today are a product of _________ _____________.
Artificial Breeding (Selective Breeding)
What is Adaptation?
A variation in an organism that helps it survive
What is the founder effect?
When the original population/environment is still alive.
The name of the islands where Darwin studied and gathered his evidence on Natural Selection
The Galapagos Islands
What is it called when an organism matches its surroundings in order to hide
Camouflage
What is the bottleneck effect?
A sudden change in environment occurs and drastically reduces the population, allele frequency and genetic diversity.
Evolution can only occur if this is involved
Genetic Variety
What causes the evolution of populations? Name 4 things
Natural selection, small population sizes, migration between populations, mutations, selective mating
What is Mimicry?
An organism imitates an animal
If the allele frequencies before a potential migration are 0.75A and 0.25a and the allele frequencies change to 0.71A and 0.29a, did migration occur?
Yes
Two different organisms are alike, they share this in their bloodline
A Common Ancestor
A little child catches a fly and pulls its wings off. The fly actually lives a better life, but does not pass its lack of wings on to its offspring because the loss of wings is an _________ _______.
An Acquired Trait
What is an example of Physiological Adaptation?
The venom of the black mamba snake is an example of a type of adaptation