6616308
Description
Mind Map by mgarcia7888, updated more than 1 year ago
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Created by mgarcia7888
about 8 years ago
|
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How does a population changes
- Population changing in size
- Births and Deaths
- If more births happen
in a year than deaths
happen then the
population would
increase but if more
deaths than births
happen then the
population would
decrease
- If more births happen
in a year than deaths
happen then the
population would
increase but if more
deaths than births
happen then the
population would
decrease
- Immigration and Emigration
- When organisms
move into,
immigration which
means animals
migrating into a new
population, or out,
emigration which
means animals
migraiting out of their
actual population
because different
situations may had
happened in their last
population
- When organisms
move into,
immigration which
means animals
migrating into a new
population, or out,
emigration which
means animals
migraiting out of their
actual population
because different
situations may had
happened in their last
population
- Births and Deaths
- Limiting factors in a population growth
- Climate
- Climate and weather
affect how different
oragnisms live, grow
and reproduce. When
temperature is to cold
or hot, animals die or
need to migrate. Some
climate changes such
as hiurracanes, floods
or tornados can harm
youngs or habitats.
- Climate and weather
affect how different
oragnisms live, grow
and reproduce. When
temperature is to cold
or hot, animals die or
need to migrate. Some
climate changes such
as hiurracanes, floods
or tornados can harm
youngs or habitats.
- Space
- Plants need a place
with space for their
roots, sunlight, and
enough nutrients and
water. If they don't
have those things,
then their population
won't grow. Another
example are gannets,
they usually fly over
the ocean. They nest in
rocky shores, if they
don't find space in the
shore to nest then
their population can't
grow either.
- Plants need a place
with space for their
roots, sunlight, and
enough nutrients and
water. If they don't
have those things,
then their population
won't grow. Another
example are gannets,
they usually fly over
the ocean. They nest in
rocky shores, if they
don't find space in the
shore to nest then
their population can't
grow either.
- Food and Water
- Every organism needs
food and water to
produce energy for
their bodies.Giraffes
need 10 kg of food
each day to survive so
if a tree gives 100 kg, it
can feed 10 giraffes
per day.But 15 giraffes
can't survive in this
area beacuse they
could not feed
themselves. That's
why their population
can't grow.
- Every organism needs
food and water to
produce energy for
their bodies.Giraffes
need 10 kg of food
each day to survive so
if a tree gives 100 kg, it
can feed 10 giraffes
per day.But 15 giraffes
can't survive in this
area beacuse they
could not feed
themselves. That's
why their population
can't grow.
- Climate
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