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Succession and Change
- Primary succession: primary succession is when a land has
been bare with no growth nor plant life, then something in
that environment can alter to create growth, plant life, soil,
example cracks in the pavement,but then wind carries seeds
there to create growth!
- Succession is when an
organisms is present and alter
the environment in some way
they gradually replace other
speices
- Secondary succession: Secondary succession is when land has
plant life growth and animals but that area has gone through some
kind of natural disaster that kills some plant life but still manages
to have a positive impact on the ecosystem managing to create
new growth, example a forest gets burned by a forest fire but
because of the open space more sunlight is able to reach new
plants for them to thrieve also some plants like to grow in ash!
- Humans clear land from
forestry, agriculture,
spread of urban areas,
and highways and parking
lots
- some animals adapt to man
made environment because
their environment has been
over taken by our communities
making it so they are able to
live in our environment
- Using Pesticides
- using a pesticide such as ddt can
not only be harmful to the thing
your killing it can also harm other
species that eat that bug or it can
be harmful to a bug that hangs
around the area the pesticide has
been srayed
- a better way to get rid of a pest is by using
biological control that's when you get rid of
something by using it's natural enimie
- using a pesticide such as ddt can
not only be harmful to the thing
your killing it can also harm other
species that eat that bug or it can
be harmful to a bug that hangs
around the area the pesticide has
been srayed
- exotic or introduced species
:These are species that are
accidentally introduced into and
environment where they are not
naturally found and have no
predators this can cause
problems because they will just
keep reproducing and taking up
habitat and clogging water
ways without their predators
- extinct means an animal no longer exists
- endangered species means and organism
may almost be extinct
- endangered species means and organism
may almost be extinct
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