At which level is it presumed we have the least scientific understanding?
Population ecology
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Change in genetic composition between generations
Microevolution
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In humans, the heritability of MN blood type is 1 (one) and the heritability of second language is 0 (zero). This means that:
Blood type = genotype second language = environment
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Which is correct about DNA?
Undergoes semi conservative replication
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Humans are thought to
Be most closely related to chimps and bonobos
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Snails with brown shells are more common in woodlands where the ground surface is darker; against this background snails with yellow shells are very visible and are more likely to be eaten by predatory birds. This is an example of:
Natural selection
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The low reproductive success and very low genetic diversity of cheetahs (Acinonyx jubatus) are thought to be the result of:
Pop crash in 19/20th centuries from overhunting
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Which statement about the fossil record is true?
Life is old and has changed over time
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Mechanisms for both micro and macroevolution are?
genetic drift, migration, mutation and natural selection
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Monophyletic group is..
A group that contains all and only the descendants of common ancestor
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How are monophyletic groups (clades) identified?
Monophyletic groups are found on the basis of shared derived characteristics
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Which is not true?
Shared derived character states can be identified because they are more common than primitive character states.
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In cladistic taxonomy, organisms are classified on the basis of
Monophyly
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DNA sequence data does not...
Reflect differing environmental conditions during embryonic development.
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An ethogram is...
A series of descriptions/diagrams of behavioural categories
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It is believed that guppies living in downstream pools show stronger schooling behaviour than those living upstream because:
Predation risk is higher
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Result from low effective population sizes:a) populations more subdivided by fragmentation; b) more inbreeding depression; c) more genetic drift; d) less demographic variation:
3
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Other cards in this set
Card 2
Front
Change in genetic composition between generations
Back
Microevolution
Card 3
Front
In humans, the heritability of MN blood type is 1 (one) and the heritability of second language is 0 (zero). This means that:
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