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3.
Choose the best answer.
A chronological system of measurement that scientists use to describe the timing of events and its relationship to life and the history of the earth is the ____.
natural selection
Geologic Time Scale
gradualism
speciation
4.
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The changing frequency of an allele occurring in a population over time is _____.
genetic drift
gene pool
gene flow
speciation
5.
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What is gradualism?
a species' or population's entire group of alleles
evolutionary mechanism in which an individual from one population is introduced to another population
the theory that all evolution is slow and proceeds at a steady rate over a long period of time
the process of forming a new species from an existing species
6.
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The results of genetic drift are more apparent in ______________ populations.
ancient
moving
big
small
7.
Select 3 that apply.
The domain is the most general category in the classification system. What are the three domains of the biological classification system?
bacteria
eucharitic
eukarya
archaea
imminent
cathartia
8.
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Proteins, amino acids, DNA, organic and inorganic molecules all freely swimming in high concentrations in the primordial seas refers to _____.
primordial soup
big bang
endosymbiosis
eukaryotic
9.
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Which of the following is the definition of gene flow?
the changing frequency of an allele occurring in a population over time
a species' or population's entire group of alleles
evolutionary mechanism in which an individual from one population is introduced to another population
the process of forming a new species from an existing species
10.
Choose the best answer.
A family tree that shows how organisms are related to each other is called
taxonomy.
phylogeny.
radioactive dating.
comparative anatomy.
11.
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A branch of biology that deals with classifying and naming organisms is ______.
genus
binomial nomenclature
taxonomy
phylogeny
12.
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Why is polyploidy not a very good explanation for how animals increased the number of chromosomes they have?
It will make animals bigger.
It is usually fatal for animals.
It will make animals stronger.
It is beneficial for animals.
13.
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Which of the following shows Darwin's theory of evolution in the correct order?
competition, survival of the fittest, overproduction
overproduction, competition, survival of the fittest
competition, overproduction, survival of the fittest
survival of the fittest, competition, overproduction
All Answers 1
Answered by
GPT-5 mini
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3. Geologic Time Scale
4. Genetic drift
5. The theory that all evolution is slow and proceeds at a steady rate over a long period of time
6. Small
7. Bacteria; Eukarya; Archaea
8. Primordial soup
9. Evolutionary mechanism in which an individual from one population is introduced to another population (gene flow)
10. Phylogeny
11. Taxonomy
12. It is usually fatal for animals.
13. Overproduction, competition, survival of the fittest
4. Genetic drift
5. The theory that all evolution is slow and proceeds at a steady rate over a long period of time
6. Small
7. Bacteria; Eukarya; Archaea
8. Primordial soup
9. Evolutionary mechanism in which an individual from one population is introduced to another population (gene flow)
10. Phylogeny
11. Taxonomy
12. It is usually fatal for animals.
13. Overproduction, competition, survival of the fittest
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