No matter how much they bug us, insects - and especially ants
- play one of the most important roles in the global ecosystem.
These little critters that invade our picnics and or leave us
with scratchy bites are actually very important in the lives of
humans. Insects aid in decomposition, provide us with food, pollinate
plants and condition the soil that we depend on to grow crops.
small size, insects' role in biodiversity is very important. Insects
outnumber all other creatures on Earth - both in terms of the
number of species and in their population. To visualize the relationship
between the species, click on see it
are unsure exactly what important role every plant or animal plays
in the environment. There are nearly 2 million species of living
organisms identified by scientists, but it is estimated that there
are probably millions more that have not been discovered yet.
But species are going extinct by the thousands before we have
a chance to understand what role they play in an ecosystem.
here to see how humans are speeding up extinction in our world.
have already taken over the world. Scientists estimate
that there are about 1,000,000,000,000,000,000 (one
billion billions!) insects alive at any given time
around the world.
are currently 6 billion humans on Earth.