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When micro evolution occurs over many generations are inherited characteristics lead to changes in populations what has occurred?
When microevolution occurs over many generations, inherited characteristics can lead to changes in populations. This can result in the adaptation of populations to their environment, leading to the emergence of new traits and the evolution of new species. This process drives biodiversity and is driven by natural selection acting on genetic variation within a population.
Why are people diverse and why is there variation among species?
People are diverse due to a combination of genetic differences inherited from ancestors and environmental influences. Variation among species arises through evolutionary processes such as natural selection, genetic drift, and mutations, which drive adaptation to the environment and lead to the development of different traits over time.
How does meiosis aid in evolution?
Meiosis aids in evolution by introducing genetic variation through processes like crossing over and independent assortment, which lead to the production of genetically diverse offspring. This genetic diversity provides the raw material for natural selection to act upon, allowing for the adaptation of populations to changing environments over time.
Scientists who study evolution at or below the species level are most likely?
evolutionary biologists or population geneticists. They typically focus on understanding how genetic variation within and between populations drives the evolutionary changes that lead to speciation and adaptation. This involves studying processes such as natural selection, genetic drift, gene flow, and mutation at the level of individual organisms and populations.
How does gene flow lead to evolution?
Gene flow, or the movement of genes between populations, can introduce new genetic variation into a population. This can increase genetic diversity and lead to the spread of beneficial traits, which can drive evolutionary changes within a population over time. In essence, gene flow promotes adaptation and can result in the evolution of populations.
A difference in an inherited trait of an organism that may lead to new species?
variation
When micro evolution occurs over many generations are inherited characteristics lead to changes in populations what has occurred?
When microevolution occurs over many generations, inherited characteristics can lead to changes in populations. This can result in the adaptation of populations to their environment, leading to the emergence of new traits and the evolution of new species. This process drives biodiversity and is driven by natural selection acting on genetic variation within a population.
When microevolution occurs over many generations as inherited characteristics lead changes in populations what has occurred?
Descent with modification
Why are people diverse and why is there variation among species?
People are diverse due to a combination of genetic differences inherited from ancestors and environmental influences. Variation among species arises through evolutionary processes such as natural selection, genetic drift, and mutations, which drive adaptation to the environment and lead to the development of different traits over time.
When micro evolution occurs over many generations as inherited characteristics lead to changes in populations what has occur?
Macro-evolution. Or, more accurately, speciation.
How does meiosis aid in evolution?
Meiosis aids in evolution by introducing genetic variation through processes like crossing over and independent assortment, which lead to the production of genetically diverse offspring. This genetic diversity provides the raw material for natural selection to act upon, allowing for the adaptation of populations to changing environments over time.
Genetic drift tens to occur in populations that?
Genetic drift has a larger effect on smaller populations.
Scientists who study evolution at or below the species level are most likely?
evolutionary biologists or population geneticists. They typically focus on understanding how genetic variation within and between populations drives the evolutionary changes that lead to speciation and adaptation. This involves studying processes such as natural selection, genetic drift, gene flow, and mutation at the level of individual organisms and populations.
What is the primary original source of genetic variation in a population?
The primary original source of genetic variation in a population is mutation. Mutations are changes in the DNA sequence that can lead to new genetic variations in populations, providing the raw material for evolution to occur.
How does gene flow lead to evolution?
Gene flow, or the movement of genes between populations, can introduce new genetic variation into a population. This can increase genetic diversity and lead to the spread of beneficial traits, which can drive evolutionary changes within a population over time. In essence, gene flow promotes adaptation and can result in the evolution of populations.
Explain why individuals cannot evolve?
Individuals die. Only the progeny of individuals carry on the genetic variation that is in populations. Selection works on this variation in populations by working on variation passed along by the sex cells. Somatic cells of the individual can have any mutation, but can not pass it on to progeny. Sex cell, having mutation which allow selection to choose among variation, lead to evolutionary processes.
Genetic variation occurs when chromosomes are shuffled in and fertilization?
Genetic variation is primarily a result of two main processes: crossing over during meiosis, which shuffles the genetic material on homologous chromosomes, and fertilization, which combines the genetic material from two different individuals. These processes lead to the creation of offspring with unique combinations of genetic information.
