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Natural selection
Genes and Variation
100
the word that means to change over time
What is evolution?
100
The first person to propose whale evolve from land mammals
who is Darwin?
100
Any inherited characteristics that increases an organism's chance of survival
What is adaptation?
100
When individuals near the center of the curve have higher fitness than individuals at either end of the curve
What is stabilizing selection?
100
A thing that can produce many different phenotypes.
What is sexual reproduction?
200
the word that means a well-supported testable explanation of phenomena that have occurred in the natural world.
What is theory?
200
This person recognized that earth many million of years old.
Who is Hutton and Lyell
200
Each living species has descended with changes from other species over time.
What is descent with modification?
200
When individuals at one end of the curve have higher fitness than individuals in the middle or at the end.
What is directional selection?
200
Constants of all genes, including all the different alleles, that is present in a population
What is gene pool?
300
The word that means nature provided the variation , and humans selected those variations that they found useful.
What is artificial selection?
300
This person recognized that food and living space were two limiting factors for human population growth.
Who is Lamarck?
300
Many legs ,tails, or other structures.
What is vestigial organs?
300
A trait that only has two distinct phenotypes. What is a single- gene trait?
What is a single- gene trait?
300
Any change in a sequence of DNA
What is mutation?
400
The word that means the number of phenotypes produced for a given trait depends on how many genes control the trait.
What is single- gene trait?
400
Darwin's hypothesis about how life changes over time is now called.
What is the theory of evolution?
400
That members of each species complete regularly to obtain food, living space, and necessities.
What is struggle for existence?
400
A leading to changes in allele frequencies in thus to evolution
What is natural selection on single-gene trait?
400
The two main sources of genetic variation
What is mutation and the genetic shuffling?
500
The word that means the kind of random change in allele frequencies.
What is genetic drift?
500
This trait can produce many phenotypes.
What is polygenic trait?
500
Ability of an individual to survive and reproduce in its specific environment
What is fitness?
500
The three ways that natural selection can affect distribution
What is directional selection, stabilizing selection, or disruptive selection?
500
Another source heritable variation
What is mutation?