4045557
Description
Mind Map by avillavicencio2888, updated more than 1 year ago
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Created by avillavicencio2888
over 9 years ago
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Changes in Communities
- Changes that can make a
population change in size
- Birth and Death
Rate
- When the birth rate is
bigger than the death rate
the population increases.
- When the birth rate
is smaller than the
death rate the
population decreases.
- When the birth rate
is smaller than the
death rate the
population decreases.
- When the birth rate is
bigger than the death rate
the population increases.
- Immigration and
Emmigration
- The size of a population also can
change when individuals move into
or out of the population.
- The size of a population also can
change when individuals move into
or out of the population.
- Birth and Death
Rate
- Changes that limit a
population's growth
- Climate
- Changes in climate
conditions, such as
temperature and the
amount of rainfall, can limit
population growth
- Changes in climate
conditions, such as
temperature and the
amount of rainfall, can limit
population growth
- Food and
Water
- Organisms can't live
without food or water
because that makes
them grow..
- Organisms can't live
without food or water
because that makes
them grow..
- Space
- If people cut down the trees birds
could not make their nests and
the population will decrease.
- If people cut down the trees birds
could not make their nests and
the population will decrease.
- Climate
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