Bio Exam 3 Study Guide

49 cards

a flash card set for my third exam in my college biology 101 class


 
  
Created May 20, 2010
by
kdw032

 

 
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  Side A   Side B
1
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most primitive in a particular lineage.
2
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evolution.
3
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variations found in populations.
4
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any traits that make individuals more successful in a particular environment.
5
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unique adaptation to harsh, but different environments.
6
Populations evolve; individuals...
 
do not.
7
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new genetic variation.
8
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migrants, crossing over, and sexual reproduction.
9
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neither harm nor help
10
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to have greater success.
11
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to be at a disadvantage.
12
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an optimum, average birthweight in humans of about 7 pounds and a modal clutch size in...
13
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absent or undetectable.
14
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extreme phenotypes.
15
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males that are twice as large as females.
16
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heterozygotes (HbA/HbS) have a reproductive advantage in an environment including malaria.
17
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introducing a small group onto an island.
18
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an epidemic drastically reduces the breeding population.
19
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population numbers shrink.
20
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Mutations
21
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adaptations must match the environmental requirements.
22
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human
23
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fossilization was/is a rare event.
24
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tracks, burrows, teeth, skeletons, or casts.
25
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the ratio of isotope to daughter product in volcanic rocks.
26
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‘macroevolution.’
27
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3.5 BYA during the Archean eon.
28
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similar selection.
29
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convergence of form.
30
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more
31
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they act early.
32
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similarities of ecology.
33
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‘molecular clock.’
34
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are neutral.
35
 The different ‘kinds’ of organisms are also known as different
 
‘species.’
36
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‘reproductive isolation’
37
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fertile progeny.
38
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complete reproductive isolation.
39
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evolutionary change.
40
species which use external fertilization are less likely to develop
 
reproductive isolation.
41
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‘isolating mechanism.’
42
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speciation.
43
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‘prezygotic.’
44
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‘postzygotic’ or acting after the zygote has formed.
45
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physical separation or geographic isolation.
46
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‘polyploids’ in a population.
47
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‘phylogenetic tree.’
48
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‘evolutionary relationships’
49
  •  
‘adaptive radiations.’


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