Ecologists have grouped the Earth&#146;s major ecosystems into &#147;biomes&#148;, large-scale environments where similar climates have produced similar biotic communities.
(Ecologists; have grouped; the Earth; into) (similar climates; have produced; similar biotic communities; L:biomes&#148;, large-scale environments)
Ecologists similar climates
have grouped have produced
the Earth into
similar biotic communities L:biomes&#148;, large-scale environments