Man & His Environment Flashcards

1
Q

describe levels of organization?

A
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2
Q

environmental components can be divided into?

A

factors
abiotic
biotic

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3
Q

biotic components?

A
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4
Q

consumers?
primary consumers?
secondary consumers?
carnivores?
teritary consumers?
omnivores?

A
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5
Q

abiotic components?
most animals cant tolerate temp. above ____
most plants cannot grow below?
in animals ______ with decrease in temp.

A
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6
Q

functioning of ecosystem uses?
energy enters the e from and flows through e in the form of?
wb materials

A

energy and materials

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7
Q

what is trophic level? name them?

A
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8
Q

what is energy flow? how is it inefficient?

A

pg 97

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9
Q

diff. b/w flow of energy and nutrients in an ecosystem?

A

pg 98

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10
Q

what is food chain? make one.

A
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11
Q

what is food web?

A
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12
Q

at each trophic level there is difference in?what is ecological pyramid? what does each section tell us?

A
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13
Q

what is pyrmaid of numbers? example?

A
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14
Q

what is pyramid of biomass?
what is biomass?
example?

A
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15
Q

what is geochemical cycles? name some imp?

A

the natural pathways by which essential elements of living matter are circulated.

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16
Q

carbon cycle? where is most carbon stored? rest? what happens in cycle when a & p remove CO2 through?

A

respiration

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17
Q

name the carbon cycle steps?

A

7

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18
Q

N2 makes _____ of the atm. by vol.
why is N2 needed? name steps of N2 cycle?

A

78%

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19
Q

first step of N2 cycle?

A
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20
Q

ammonification? ammonification is done by? nitrification? ammonia is converted into nitrites by bacteria ________? & then nitrites are converted to ______ by ______.

A
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21
Q

N2 cycle 2nd and 3rd step?

A
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22
Q

in how many ways organisms interact with each other? name them.

A

6

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23
Q

what is competition? what is it caused by? types? examples?

24
Q

predation in animals? examples?

25
predation in plants? what are they called? aka? cause for it? examples
26
symbiosis? what is mostly involved? symbionts? types?
27
parasitism? types? examples? harms that parasites cause?
28
cascuta?
29
mutualism? 3 examples?
30
commensalism? 2 examples?
31
how is ecosystem kept balanced?
32
causes for the extinction of species
33
urbanization? effects?
34
steps to stop urbanization?
35
name greenhouse gases? explain green house effect? relate to global warming. processes that change the balance of CO2?
36
possible outcomes of global warming?
7
37
how does deforestation damage carbon cycle & water cycle and cause flooding?
38
what are harms of deforestation?
39
causes of acid rain
40
effects of acid rain?
41
when did air pollution first start? what is it?
42
causes of air pollution?
43
effects of air pollution?
4
44
control of air pollution?
7
45
causes of water pollution
5
46
eutrophication?
4
47
effects of water pollution?
3
48
control of water pollution?
4
49
what is soil pollution?
50
causes of soil pollution?
8
51
effects of soil pollution?
4
52
control of soil pollution
8
53
renewable resources
54
non-renewable resources explain conservation of nature
55
4 Rs