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Theory Of Evolution

QuestionAnswer
Who is the father of evolution? Charles Darwin.
What is evolution? The way that things change over time.
Some signs of evolution can be shown in ___ or remains of organisms. Fossils.
Organisms that have more ___ than others have a bigger chance of surviving and reproducing. Fitness.
Evolution can be shown in _____ which is the process in which organisms with better traits of survival leave more offspring. Natural selection.
During natural selection sometimes organisms change traits or get ____ which are traits or behaviors that help an organism survive. Adaptations.
How long does it take organisms to develop adaptations? Very long periods of time, like centuries.
What is a gene pool? A present population that shows all the alleles and genes.
The number of times that an allele comes out in a gene pool is called the ____. Allele frequency.
Through ____ there is more diversity and genetic variation. Evolution.
When there are genetic changes in the genotype of an organism usually there is a change in the ____. Phenotype.
____ can change a gene pool. Genetic drift.
What is the bottleneck effect? A sort of genetic drift where the allele frequency is changed because of a disaster or disease.
What is the founder effect? A sort of genetic drift where the allele frequency is changed due to a small group moving to start a new population.
The is the genetic equilibrium? The condition in which the allele frequencies in a population remain the same.
What is the Hard-Weinberg principle? The principle that states that allele frequencies in a population will remain the same unless if something causes them to change.
What are the five conditions that can cause organisms to evolve and upset the genetic equilibrium? Nonrandom mating/sexual selection, a small population, movement in/out of a population, mutations, and natural selection.
What is sexual selection? The process by which organisms select mates for some of their heritable traits.
What are species? A population where the members can breed and produce fertile offspring.
Whenever there is no organism of a species left than the type of species is said to be ____. Extinct.
As evolution occurs some new species form which is called ____. Speciation.
What is a genus? A group of closely related species.
The scientific name of organisms is always written in ____. Italics.
What is a kingdom? The largest group of a classification system that classifies species into groups.
How many kingdoms is there said to be at this time? Six: eubacteria, archaebacteria, protista, fungi, plantae, and animilia.
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