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Chapter 18 - Evolution - Test 4
1.
According to Lamarck theory longed necked giraffes evolved from __________ ancestors.
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2.
August Weisemann in ________ cut off the tails of mice during his experiment.
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3.
Darwin s made his observations about the variety of birds and reptiles on the _______ islands.
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4.
The ________ is based on the competition for survival or struggle for existence.
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5.
In human body _________ is considered as vestigial structure.
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6.
Organs which are structurally alike but functionally different are known as _________ organs.
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7.
Evolutionany process producing homologous structures is called _________ evolution.
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8.
Organs performing similar functions but having different anatomical origin are known as __________ organs.
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9.
The close resemblance between legs of insects and mammals and wings of butterflies and birds show __________ evaluation.
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10.
Best or desired traits can be introduced in different species by ________ selection.
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11.
The book _________ is written by Darwin based on theories of evolution.
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12.
Webbed feet of aquatic birds is example of ________ organs.
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13.
Non functional _________ of kiwi and ostrich are the examples of disuse of organs.
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