Welcome to the Quiz!
This quiz contains 15 questions from a mix of 1 subtopics.
What does the term 'phenotype' mean?
The observable characteristics of an organism
One of the different forms of a gene
The combination of alleles that an organism has
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Differences in the characteristics of individuals within a population is called .
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Which two factors contribute to the variation between organisms?
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A change in the DNA code is called a .
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What factor(s) are involved in determining body mass?
Genetic factors only
Environmental factors only
Both genetic factors and environmental factors
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Which of the following are determined entirely by genetic factors?
(Select all that apply)
Biological sex (male or female)
Natural eye colour
Height
Skin colour
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Which of the following characteristics show continuous variation?
(Select all that apply)
Blood group (A, B, or AB)
Eye colour
Hair colour
Strength
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A change in the genetical material of an organism is called a .
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Which statement about mutations is true?
They are always advantageous
They are always harmful
They generally have no effect, but are occasionally harmful, and very occasionally advantageous
They never have any affect on the organism
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What does the phrase 'survival of the fittest' mean?
The individuals with the most favourable characteristics are most likely to survive
Over long periods of time, one population of organisms may become a new species
Certain individuals are selected by humans to reproduce
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___________ is the process by which the inherited characteristics of a population change over time due to natural selection. In some cases this may result in the formation of a new species.
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Who is credited with developing and proposing the theory of evolution?
Charles Darwin
Charles Babbage
Jean-Baptiste Lamarck
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Which of the following provide evidence for the theory of evolution?
(Select all that apply)
The fact that the human body is so complex
The fact that variation is due to genes and the environment
The spread of antibiotic resistance
Fossil records
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Describe a series of events that might result in zebras evolving to run more quickly.
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Speciation is the evolutionary process by which populations evolve to become distinct .
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