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4 factors that determine the carrying capacity:
1. materials and energy (energy, water, carbon, and
other essential nutrients
2. food chains: the population size is limited by the
size of the populations at lower trophic levels. (Prey are
limited by their predators and their food supply).
3. competition: each organism has the same need as
any other. They compete for resources such as
food, water, mates, space.
4. density: depending on their size, environment and
way of life, different species have different needs for space.
 Developing: A developing country, also called a
less developed country or
underdeveloped country, is a nation with a less
developed industrial base, and a low Human
Development Index (HDI) relative to other countries
 Developed:A developed country, industrialized co
untry, or "more economically developed country"
(MEDC), is a sovereign state that has a
highly developed economy and advanced
technological infrastructure relative to other
less industrialized nations.
 2. density-independent factors:
can limit a population regardless of its
original size.
* forest fire
* flood
* volcano
 Since all organisms
reproduce, populations
tend to grow over time
 If unlimited resources
are present, growth will
be exponential
 It will increase very
quickly for rapidly
reproducing organisms
and more slowly for
slowly reproducing ones
 The curve will be a “J”
curve or an exponential
growth curve
Generation Number Of People
1 1
2 2
3 4
4 8
5 16
6 32
7 64
8 128
9 256
10 512
11 1024
12 2048
13 4096
14 8192
15 16,384
16 32,768
17 65,536
18 131,072
19 262,144
20 524,288
21 1,048,576
22 2,097,152
23 4,194,304
24 8,388,608
25 16,777,216
 Resources are never
unlimited in real life!
 As population rises, resources
decline.
 If the growth is too rapid,
resources are rapidly
depleted and a population
crash can occur
 This pattern occurs often with
many populations (including
humans)
Gypsy moth caterpillar
 Population:3.396 million people
 Average GNI: 50,000 dollars per annum
 People in Kuwait mainly receive there
money from oil production thus have a
blooming economy
 Kuwait has amazing political
stability and has never had Any
financial disturbance
 Family planning is common
 Population:1.26 billion people
 Average GNI:1,581 dollars per annum
 The main reason India is underdeveloped is
due to its political corruption.
 There is no family planning.
 There is not much availability of resources
such as good as good educational and
health facilities often causing revolt rather
resolve
 Thanks for not sleeping in until the end of
this presentation… but you may now :P
 Done by: Nikhil, Arvind, Aditya, Aryan,
Shyam, Ahmed

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Factors affecting population numbers

  • 1.
  • 2. 4 factors that determine the carrying capacity: 1. materials and energy (energy, water, carbon, and other essential nutrients 2. food chains: the population size is limited by the size of the populations at lower trophic levels. (Prey are limited by their predators and their food supply). 3. competition: each organism has the same need as any other. They compete for resources such as food, water, mates, space. 4. density: depending on their size, environment and way of life, different species have different needs for space.
  • 3.  Developing: A developing country, also called a less developed country or underdeveloped country, is a nation with a less developed industrial base, and a low Human Development Index (HDI) relative to other countries  Developed:A developed country, industrialized co untry, or "more economically developed country" (MEDC), is a sovereign state that has a highly developed economy and advanced technological infrastructure relative to other less industrialized nations.
  • 4.  2. density-independent factors: can limit a population regardless of its original size. * forest fire * flood * volcano
  • 5.  Since all organisms reproduce, populations tend to grow over time  If unlimited resources are present, growth will be exponential  It will increase very quickly for rapidly reproducing organisms and more slowly for slowly reproducing ones  The curve will be a “J” curve or an exponential growth curve
  • 6. Generation Number Of People 1 1 2 2 3 4 4 8 5 16 6 32 7 64 8 128 9 256 10 512 11 1024 12 2048 13 4096 14 8192 15 16,384 16 32,768 17 65,536 18 131,072 19 262,144 20 524,288 21 1,048,576 22 2,097,152 23 4,194,304 24 8,388,608 25 16,777,216
  • 7.  Resources are never unlimited in real life!  As population rises, resources decline.  If the growth is too rapid, resources are rapidly depleted and a population crash can occur  This pattern occurs often with many populations (including humans) Gypsy moth caterpillar
  • 8.
  • 9.  Population:3.396 million people  Average GNI: 50,000 dollars per annum  People in Kuwait mainly receive there money from oil production thus have a blooming economy  Kuwait has amazing political stability and has never had Any financial disturbance  Family planning is common
  • 10.  Population:1.26 billion people  Average GNI:1,581 dollars per annum  The main reason India is underdeveloped is due to its political corruption.  There is no family planning.  There is not much availability of resources such as good as good educational and health facilities often causing revolt rather resolve
  • 11.
  • 12.  Thanks for not sleeping in until the end of this presentation… but you may now :P  Done by: Nikhil, Arvind, Aditya, Aryan, Shyam, Ahmed