Evolution
Mutations, adaptations, and genetic variations. The process of favorable inherited traits that are passed on.
What is Evolution?
The survival and reproduction of the organisms that are genetically best fit for their environment
What is the definition of Natural Selection?
Process by which an organism or species becomes better suited to its environment.
What is adaptation?
The hip bones of a dolphin and the tailbone of a human
What are Vestigial Structures?
The transfer of genetic material between populations through migration.
What is gene flow?
Mutation, genetic drift, natural selection, gene flow, nonrandom mating
What is mechanisms of evolution?
The variety of dog and cat breeds that we have today are a product of _________ _____________.
What is Artificial Breeding Selection (Artificial Breeding)
Adaptations contribute to __________ by enabling species to occupy different ecological niches.
What is biodiversity?
Dog’s paw, human arm, bat wing, whale flipper
What is homologous structures?
Charles Darwin
Who is the father of Evolution?
The population of organisms surpasses the available resources and space needed for their survival.
What are overpopulation?
Body parts that share a common function but have a different structure
What is an analogous structure?
Permanent change in the DNA of a gene or chromosome. Adds variety to the population
What is mutations?
The ability of an organism to survive and reproduce in its environment.
What is "fitness"? (survival of the fittest)
An organism imitates an animal
What is Mimicry?
Historical records that shows life on earth changing over time.
What is fossil record?
The distribution of species across different areas that provide insight into evolutionary history
What is biogeography?
Two different organisms are alike, they share this in their bloodline
What is 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 _________ _______.
What is an Acquired Trait?
Peppered Moth Example
What is an example of environmental factors affecting a species?
A small population of chimpanzees lives in a habitat that undergoes no changes for a long period.
What is a reduction in genetic diversity?