Download Biodiversity - Hicksville Public Schools

Aim: How Does Biodiversity
Increase the Stability in an
Ecosystem?
What is meant by
the “Circle of Life”?
All living things are
dependent on one another
Why is this important?
Why Are There So
Many Different Species
on Earth?2
Due to the evolution of related
organisms ADAPTING TO
different environments
Biodiversity3
All the VARIETY OF living
things in a specific area
Look at the biodiversity
of soil
Why is biodiversity important?
4
What happens
if insecticide
is sprayed?
All living things are
interdependent on one another
How do living things depended
on each other?
All organisms
are interrelated
by the food web.
If one organism
in the food web
decreases, then
others will either
increase or
decrease
What happens to an ecosystem when
biodiversity decreases?
5
Ecosystem stability decreases
Stability – the ability of the different populations
of organisms to survive an environmental change
How does greater
biodiversity maintain
ecosystem stability?
In an ecosystem with great
biodiversity, organisms
rely on more than one type
of food, …
6
..increasing their stability.
Which ecosystem has
greater stability?
 The
forest has greater stability
because it has greater biodiversity
How is biodiversity lost?
 Natural
disaster & human activities
Why is biodiversity important to us?
 It
ensures the availability of a rich
variety of genetic material.
 Biodiversity has provided us with
medicines, natural insecticides, &
other useful resources.