Videos
on Ecosystem
1.
There are four components to every ecosystem.
2.
This is a brief tour and description of the diverse ecosystems
in
3. Plants have evolved into many diverse forms that define and sustain ecosystems.
4.
Plant and animal life
in alpine and Arctic tundra regions has been shaped both by the demanding
physical
environment and by the presence of other species.
5.
The littoral zone includes the shallow intertidal and nearshore
waters adjacent to Earth's landmasses. Its hospitable environmental conditions,
which include abundant sunlight and nutrients from runoff, support a large variety of plant
and animal life.