The availability of abiotic like
light, moisture, mineral , heat and
carbon dioxide, or less conditions
the of an ecosystem.

Photosynthesis on water and
light, plants also need mineral ,
carbon dioxide and adequate
for their cells to . In
environments where these are
not restrictive the of organic
material (by ) is at a
maximum, and algae can
reproduce , the population of
these increase, potential
ecological niches and new
species emerge. large mass of
producers viable the appearing
of diversity of consumers of
orders. In environments with
abiotic factors, like deserts,
producers existin small numbers
less diversity,a feature that
extends to consumers and
fewer ecological niches to .