Biology 101, Exam 4 Flashcards

55 cards

cards made for my college biology 101 class, specificly for exam 4. do not shuffle!


 
  
Created May 18, 2010
by
kdw032

 

 
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1
A group of individuals of the same species living within a specified area is a
 
population
2
the number of individuals per unit of area or volume in the habitat is
 
population density
3
  •  
clumped
4
  •  
clumped
5
the maximum rate of increase in numbers by a population is
 
Biotic potential
6
the factors determining population size
 
Births, deaths, immigration, and emigration
7
  •  
ZPG or ‘zero population growth.’
8
The ‘intrinsic rate of increase (r) is
 
the difference between the birth rate and death rate
9
When limiting factors are absent, population growth is
 
10
Ideally, populations are limited in size by the habitat
 
‘carrying capacity (K).’
11
Carrying capacity (K) is determined by
 
12
If population changes are not related to its size, the causative factors are called
 
13
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‘density-independent’
14
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‘density-dependent’
15
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‘density-independent’
16
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parasitism, disease, predation, competition
17
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‘cohort.’
18
A type III survivorship curve (high juvenile mortality; a reverse J-shape) is shown by...
 
19
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insects, fish, amphibians, and reptiles, all creatures with large litter size.
20
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malnutrition.
21
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increasing K, new habitats, removing limiting factors, or better medicines.
22
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grasslands or savannah habitats.
23
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agriculture and the construction of human civilizations.
24
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a disease, the bubonic plague.
25
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60
26
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the decrease the birth rate.
27
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a pyramid with a very broad base.
28
Developing (less industrialized) countries tend to be _______ from ZPG.
 
farther
29
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‘ecosystem.’
30
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plants, herbivores like cows, wolf
31
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producers, decomposers
32
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bacteria, fungi
33
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“to feed.”
34
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the available energy from outside sources, not other trophic levels.
35
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the sun.
36
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heat from metabolism.
37
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particulate or bulk dead organic material
38
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numerous,wastes, all
39
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‘biological magnification.’
40
‘Net primary productivity’ = 
 
energy stored in plant tissue – energy used in cell respiration.
41
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‘pyramid of energy.’
42
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ecosystem.
43
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evaporation from the oceans.
44
Carbon is stored in 
 
living biomass, fossil fuels, rocks, or shells of animals.
45
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dissolved carbonates or bicarbonates, carbon dioxide, or plant cellulose.
46
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respiration, volcanoes, burning coal, or diffusion from the ocean.
47
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‘greenhouse gas.’
48
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carbohydrates.
49
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the burning of fossil fuels.
50
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atmosphere.
51
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legumes
52
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ammonia and nitrates.
53
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Nitrogen and Phosphorus
54
  •  
primary producers.
55
  •  
Phosphorus


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