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How does observed evolutionary change support the scientific theory of evolution?
The theory predicts that evolution will happen and in certain ways. The observed evolution makes this prediction correct. It also defines evolution as happening, and as such is perfect evidence in support of it.
Evolutionists often make the distinction between evolution as a fact and evolutionary theory What does this mean?
Evolution is descent with modification. Or, change over time. And formally as the change in allele frequencies over time in a population of organisms. This is an observed and a observable fact. The theory is; the theory of evolution by natural selection, which explains the fact of evolution. Natural selection is the main mechanism ( there are others ) that drives the adaptive change in organism that can lead to speciation, or just simple evolution.
Which of the following is the most powerful evolutionary force in large populations over time?
Only natural selection could be the answer here as natural selection is the main driver of adaptive change leading to evolutionary change and speciation in large populations.
What is true of a physical change?
It is something that can be seen, touched, tasted, smelled, or observed in some way.
What is endothermic change?
endothermic change is a change, in which heat from outside is observed by reactants, leaving the surrounding cooler. Examples are evaporation of water, alcohol and dissolving glucose in water.
How does observed evolutionary change support the scientific theory of evolution?
The theory predicts that evolution will happen and in certain ways. The observed evolution makes this prediction correct. It also defines evolution as happening, and as such is perfect evidence in support of it.
Can the basic mechanisms of evolutionary change be observed in nature?
Yes, the basic mechanisms of evolutionary change, such as natural selection, genetic drift, and gene flow, can be observed in nature. These mechanisms drive changes in populations over time, leading to adaptation to different environments and ultimately to the evolution of new species. Multiple studies and observations in fields such as ecology, genetics, and paleontology provide evidence for these mechanisms in action.
What is Phyletic change?
Evolutionary change is a process where things change over a period of time. Such as going from a candle, to a light bulb.
What can lead scientist to change an evolutionary tree?
What can lead scientists to change an evolutionary tree?
What is the name for this type of rapid evolutionary change?
The name for this type of rapid evolutionary change is "punctuated equilibrium."
How did natural selection most likely result in this evolutionary change?
Natural selection likely drove this evolutionary change by favoring individuals with traits that improved their survival and reproductive success in a specific environment. Those individuals with advantageous adaptations were more likely to survive, reproduce, and pass those traits on to their offspring. Over generations, these beneficial traits became more prevalent in the population, leading to the observed evolutionary change. This process illustrates how environmental pressures can shape the traits of a species over time.
What are the raw material of evolutionary change?
Mutations are considered as the raw materials of evolutionary change. They are structural changes in the DNA sequence of an organism.
What are the types of evidence for evolution?
Evolution is the change in allele frequency over time in a population of organisms. This is an observed and observable fact.The molecular, genetic and fossil record all bear out evolutionary change and support one another by being cross correlated. Go here.talkorigins.org
Is it true that the basic mechanisms of evolutionary change cannot be observed in nature?
No. Natural selection can work very quickly and the observed morphological and behavioral changes are well documented. The observations on both drift and gene flow can be determined in populations small enough in a very short time. Go here for greater detail. talkorigins.org
Do you suspect that evolutionary change always leads to greater complexity?
No, evolutionary change does not always lead to greater complexity. Evolutionary changes can result in both increases and decreases in complexity, depending on the specific pressures and environmental conditions acting on a species. Factors such as natural selection, genetic drift, and environmental changes can all influence the direction of evolutionary change.
Theory that evolutionary change occurs slowly?
Gradualism.
What evidence does evolution provide?
The change in allele frequency over time in populations of organisms. An observed and observable fact, especially since gene sequencing has come into it's own. More to the point, evolution provides us with the evidence for evolutionary theory.
