Download - Evolution & Biodiversity
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Evolution & Biodiversity
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1 The idea of many species descending from a common ancestor is called
A microevolution
B macroevolution
C co-evolution
D sexual dimorphism
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2 A species of fish living in a coral reef changes the color of its scales (over generations) from yellow to blue. This is an example of
A microevolution
B macroevolution
C co-evolution
D homologous structures
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3 All of the genes in a population is known as a
A gene dish
B gene pool
C homologous structure
D gene maximum
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4 Most genetic mutations
A are helpful to a species
B are harmful to a species
C have no effect on a species
D give most species super powers
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5 The bone structure of the human arm and the bone structure of the pectoral flipper of a porpoise are very similar. This is an example of
A co-evolution
B homologous structures
C analogous structures
D microevolution
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6 True or False: A trait must give a certain population of a species an advantage (differential reproduction) for it to effect natural selection.
True
False
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7 The ___________ are the organisms that crawled from the water & became modern tetrapods:
A Ray-finned fish
B Cartilaginous fish
C Lobe-finned fish
D Swim-bladderless fish
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8 Which of the following is NOT a requirement for Natural Selection:
A The trait must be improved upon during the life of the population/organism
B The trait must be passed on from parent to offspring
C The trait must allow a reproductive benefit over the individuals within a population that lack the trait
D The trait must be variable within the population
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9 Which of the following is an example of macroevolution:
A Over many generations a species of mice gets darker in color due to predation from owls and falcons
B Over many generations an off-shoot of catfish changes from a bottom-feeder to an aggressive hunter, no longer able to reproduce with the former catfish
C Over many generations a species changes in size from large to small to better fit in with the environment
D Over many generations a species of fish changes its scale color from yellow to blue
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10 Corn (maize) originally appeared like a grassy bush, but over many thousands of generations mankind created the corn that is so widely used in the United States of today. This is an example of:
A Natural Selection
B Diversifying natural selection
C Sexual Selection
D Artificial Selection
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11 After a mass extinction the empty niches will eventually (1 to 10 million years) be filled by new species. This is called
A adaptive radiation
B homologous structures
C analogous structures
D repressive radiation
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12 True or False: Extinction of a species is a common & natural process.
True
False